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A pet, or companion animal, is an
animal Animals are multicellular, eukaryotic organisms in the Biology, biological Kingdom (biology), kingdom Animalia (). With few exceptions, animals heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, ...
kept primarily for a person's company or entertainment rather than as a
working animal A working animal is an animal, usually domesticated, that is kept by humans and trained to perform tasks. Some are used for their physical strength (e.g. oxen and draft horses) or for transportation (e.g. riding horses and camels), while oth ...
,
livestock Livestock are the Domestication, domesticated animals that are raised in an Agriculture, agricultural setting to provide labour and produce diversified products for consumption such as meat, Egg as food, eggs, milk, fur, leather, and wool. The t ...
, or a
laboratory animal Animal testing, also known as animal experimentation, animal research, and ''in vivo'' testing, is the use of animals, as model organisms, in experiments that seek answers to scientific and medical questions. This approach can be contrasted ...
. Popular pets are often considered to have attractive/
cute Cuteness is a type of attractiveness commonly associated with youth and appearance, as well as a scientific concept and analytical model in ethology, first introduced by Austrian ethologist Konrad Lorenz. Lorenz proposed the concept of baby sc ...
appearances,
intelligence Intelligence has been defined in many ways: the capacity for abstraction, logic, understanding, self-awareness, learning, emotional knowledge, reasoning, planning, creativity, critical thinking, and problem-solving. It can be described as t ...
, and relatable personalities, but some pets may be taken in on an
altruistic Altruism is the concern for the well-being of others, independently of personal benefit or reciprocity. The word ''altruism'' was popularised (and possibly coined) by the French philosopher Auguste Comte in French, as , for an antonym of egoi ...
basis (such as a stray animal) and accepted by the owner regardless of these characteristics. Two of the most popular pets are
dog The dog (''Canis familiaris'' or ''Canis lupus familiaris'') is a domesticated descendant of the gray wolf. Also called the domestic dog, it was selectively bred from a population of wolves during the Late Pleistocene by hunter-gatherers. ...
s and
cat The cat (''Felis catus''), also referred to as the domestic cat or house cat, is a small domesticated carnivorous mammal. It is the only domesticated species of the family Felidae. Advances in archaeology and genetics have shown that the ...
s. Other animals commonly kept include
rabbits Rabbits are small mammals in the family Leporidae (which also includes the hares), which is in the order Lagomorpha (which also includes pikas). They are familiar throughout the world as a small herbivore, a prey animal, a domesticated form ...
;
ferret The ferret (''Mustela furo'') is a small, domesticated species belonging to the family Mustelidae. The ferret is most likely a domesticated form of the wild European polecat (''Mustela putorius''), as evidenced by the ferret's ability to inter ...
s;
pig The pig (''Sus domesticus''), also called swine (: swine) or hog, is an omnivorous, domesticated, even-toed, hoofed mammal. It is named the domestic pig when distinguishing it from other members of the genus '' Sus''. Some authorities cons ...
s;
rodent Rodents (from Latin , 'to gnaw') are mammals of the Order (biology), order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and Mandible, lower jaws. About 40% of all mammal specie ...
s such as
gerbil The Mongolian gerbil or Mongolian jird (''Meriones unguiculatus'') is a rodent belonging to the subfamily Gerbillinae. Their body size is typically , with a tail, and body weight , with adult males larger than females. The animal is used in s ...
s,
hamster Hamsters are rodents (order Rodentia) belonging to the subfamily Cricetinae, which contains 19 species classified in seven genera. They have become established as popular small pets. The best-known species of hamster is the golden or Syrian ...
s,
chinchilla Chinchilla refers to either of two species ('' Chinchilla chinchilla'' and '' Chinchilla lanigera'') of crepuscular rodents of the parvorder Caviomorpha, and are native to the Andes mountains in South America. They live in colonies called "her ...
s,
rats Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus ''Rattus''. Other rat genera include ''Neotoma'' (pack rats), '' Bandicota'' (bandicoot ...
,
mice A mouse (: mice) is a small rodent. Characteristically, mice are known to have a pointed snout, small rounded ears, a body-length scaly tail, and a high breeding rate. The best known mouse species is the common house mouse (''Mus musculus' ...
, and
guinea pig The guinea pig or domestic guinea pig (''Cavia porcellus''), also known as the cavy or domestic cavy ( ), is a species of rodent belonging to the genus ''Cavia'', family Caviidae. Animal fancy, Breeders tend to use the name "cavy" for the ani ...
s;
bird Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...
s such as
parrot Parrots (Psittaciformes), also known as psittacines (), are birds with a strong curved beak, upright stance, and clawed feet. They are classified in four families that contain roughly 410 species in 101 genus (biology), genera, found mostly in ...
s,
passerine A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped') which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their ...
s, and
fowl Fowl are birds belonging to one of two biological orders, namely the gamefowl or landfowl ( Galliformes) and the waterfowl ( Anseriformes). Anatomical and molecular similarities suggest these two groups are close evolutionary relatives; toget ...
s;
reptiles Reptiles, as commonly defined, are a group of tetrapods with an ectothermic metabolism and Amniotic egg, amniotic development. Living traditional reptiles comprise four Order (biology), orders: Testudines, Crocodilia, Squamata, and Rhynchocepha ...
such as
turtle Turtles are reptiles of the order (biology), order Testudines, characterized by a special turtle shell, shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Crypt ...
s,
lizard Lizard is the common name used for all Squamata, squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging across all continents except Antarctica, as well as most Island#Oceanic isla ...
s,
snake Snakes are elongated limbless reptiles of the suborder Serpentes (). Cladistically squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales much like other members of the group. Many species of snakes have s ...
s, and
iguana ''Iguana'' (, ) is a genus of herbivorous lizards that are native to tropical areas of Mexico, Central America, South America, and the Caribbean. The genus was first described by Austrian naturalist Josephus Nicolaus Laurenti, J.N. Laurenti in ...
s; aquatic pets such as
fish A fish (: fish or fishes) is an aquatic animal, aquatic, Anamniotes, anamniotic, gill-bearing vertebrate animal with swimming fish fin, fins and craniate, a hard skull, but lacking limb (anatomy), limbs with digit (anatomy), digits. Fish can ...
,
freshwater snail Freshwater snails are gastropod mollusks that live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs t ...
s, and saltwater snails;
amphibians Amphibians are ectothermic, anamniote, anamniotic, tetrapod, four-limbed vertebrate animals that constitute the class (biology), class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all Tetrapod, tetrapods, but excl ...
such as
frog A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order (biology), order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough ski ...
s and
salamanders Salamanders are a group of amphibians typically characterized by their lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All t ...
; and
arthropod Arthropods ( ) are invertebrates in the phylum Arthropoda. They possess an arthropod exoskeleton, exoskeleton with a cuticle made of chitin, often Mineralization (biology), mineralised with calcium carbonate, a body with differentiated (Metam ...
pets such as
tarantula Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. , 1,100 species have been identified, with 166 genera. The term "tarantula" is usually used to describe members of the family Theraphosidae, although ...
s and
hermit crab Hermit crabs are anomuran Decapoda, decapod crustaceans of the superfamily (taxonomy), superfamily Paguroidea that have adapted to occupy empty scavenged mollusc shells to protect their fragile exoskeletons. There are over 800 species of hermit c ...
s. Smaller pets include
rodents Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...
, while the
equine Equinae is a subfamily of the family Equidae, known from the Hemingfordian stage of the Early Miocene (16 million years ago) onwards. They originated in North America, before dispersing to every continent except Australia and Antarctica. They are ...
and
bovine Bovines (subfamily Bovinae) comprise a diverse group of 10 genera of medium to large-sized ungulates, including Bos, cattle, bison, African buffalo, Bubalus, water buffalos, and the four-horned and spiral-horned antelopes. The members of this gro ...
group include the largest companion animals. Pets provide their owners, or guardians, both physical and emotional benefits. Walking a dog can provide both the human and the dog with exercise, fresh air, and
social interaction A social relation is the fundamental unit of analysis within the social sciences, and describes any voluntary or involuntary interpersonal relationship between two or more conspecifics within and/or between groups. The group can be a language or ...
. Pets can give companionship to people who are living alone or elderly adults who do not have adequate social interaction with other people. There is a medically approved class of therapy animals that are brought to visit confined humans, such as children in hospitals or elders in
nursing homes A nursing home is a facility for the residential care of older people, senior citizens, or disabled people. Nursing homes may also be referred to as care homes, skilled nursing facilities (SNF), or long-term care facilities. Often, these terms ...
. Pet therapy utilizes trained animals and handlers to achieve specific physical, social, cognitive, or emotional goals with patients. People most commonly get pets for companionship, to protect a home or property, or because of the perceived beauty or attractiveness of the animals. A 1994 Canadian study found that the most common reasons for not owning a pet were lack of ability to care for the pet when traveling (34.6%), lack of time (28.6%), and lack of suitable housing (28.3%), with dislike of pets being less common (19.6%). Some
scholars A scholar is a person who is a researcher or has expertise in an academic discipline. A scholar can also be an academic, who works as a professor, teacher, or researcher at a university. An academic usually holds an advanced degree or a terminal ...
,
ethicist Ethics is the philosophical study of moral phenomena. Also called moral philosophy, it investigates normative questions about what people ought to do or which behavior is morally right. Its main branches include normative ethics, applied ethics ...
s, and
animal rights organizations Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia (). With few exceptions, animals consume organic material, breathe oxygen, have myocytes and are able to move, can reproduce sexually, and grow from a ho ...
have raised concerns over keeping pets because of the lack of autonomy and the objectification of non-human animals.


Pet popularity

In China, spending on domestic animals has grown from an estimated $3.12 billion in 2010 to $25 billion in 2018. The Chinese people own 51 million dogs and 41 million cats, with pet owners often preferring to source pet food internationally. There are a total of 755 million pets, increased from 389 million in 2013. A survey in 2002 found approximately 45 million pets in Italy, including 7 million dogs, 7.5 million cats, 16 million fish, 12 million birds and 10 thousand snakes. A 2007 survey by the
University of Bristol The University of Bristol is a public university, public research university in Bristol, England. It received its royal charter in 1909, although it can trace its roots to a Merchant Venturers' school founded in 1595 and University College, Br ...
found that 26% of UK households owned cats and 31% owned dogs, estimating total domestic populations of approximately 10.3 million cats and 10.5 million dogs in 2006. The survey also found that 47.2% of households with a cat had at least one person educated to degree level, compared with 38.4% of homes with dogs. There are approximately 86.4 million pet cats and approximately 78.2 million pet dogs in the United States, and a United States 2007–2008 survey showed that dog-owning households outnumbered those owning cats, but that the total number of pet cats was higher than that of dogs. The same was true for 2011. In 2013, pets outnumbered
children A child () is a human being between the stages of childbirth, birth and puberty, or between the Development of the human body, developmental period of infancy and puberty. The term may also refer to an unborn human being. In English-speaking ...
four to one in the United States. :


Effects on pets' health

Keeping animals as pets may be detrimental to their health if certain requirements are not met. An important issue is inappropriate feeding, which may produce clinical effects. The consumption of
chocolate Chocolate is a food made from roasted and ground cocoa beans that can be a liquid, solid, or paste, either by itself or to flavoring, flavor other foods. Cocoa beans are the processed seeds of the cacao tree (''Theobroma cacao''); unprocesse ...
or grapes by dogs, for example, may prove fatal. Certain species of
houseplant A houseplant, also known as a pot plant, potted plant, or indoor plant, is an ornamental plant cultivated indoors. for aesthetic or practical purposes. These plants are commonly found in House, homes, Office, offices, and various indoor spaces, w ...
s can also prove toxic if consumed by pets. Examples include
philodendron ''Philodendron'' is a large genus of flowering plants in the family Araceae. , the Plants of the World Online accepted 621 species; other sources accept different numbers. Regardless of number of species, the genus is the second-largest member o ...
s and Easter lilies, which can cause severe kidney damage to cats, and poinsettias,
begonia ''Begonia'' is a genus of perennial flowering plants in the family Begoniaceae. The genus contains more than 2,000 different plant species. The Begonias are native to moist subtropical and tropical climates. Some species are commonly grown ...
, and
aloe vera ''Aloe vera'' () is a succulent plant species of the genus ''Aloe''. It is widely distributed, and is considered an invasive species in many world regions. An evergreen perennial plant, perennial, it originates from the Arabian Peninsula, but ...
, which are mildly toxic to dogs. For birds, chocolate can be deadly, and foods intended for human consumption, such as bread, crackers, and dairy items, can potentially cause health problems. House pets, particularly dogs and cats in
industrialized Industrialisation ( UK) or industrialization ( US) is the period of social and economic change that transforms a human group from an agrarian society into an industrial society. This involves an extensive reorganisation of an economy for the ...
societies, are highly susceptible to
obesity Obesity is a medical condition, considered by multiple organizations to be a disease, in which excess Adipose tissue, body fat has accumulated to such an extent that it can potentially have negative effects on health. People are classifi ...
. Overweight pets have been shown to be at a higher risk of developing diabetes, liver problems, joint pain, kidney failure, and cancer. Lack of exercise and high-caloric diets are considered to be the primary contributors to pet obesity.


Effects of pets on their caregivers' health


Health benefits

It is widely believed among the public, and among many scientists, that pets probably bring mental and physical health benefits to their owners; a 1987 NIH statement cautiously argued that existing data was "suggestive" of a significant benefit. A recent dissent comes from a 2017
RAND The RAND Corporation, doing business as RAND, is an American nonprofit global policy think tank, research institute, and public sector consulting firm. RAND engages in research and development (R&D) in several fields and industries. Since the ...
study, which found that at least in the case of children, having a pet ''per se'' failed to improve physical or mental health by a statistically significant amount; instead, the study found children who were already prone to being healthy were more likely to get pets in the first place. Conducting long-term randomized trials to settle the issue would be costly or infeasible.


Observed correlations

Pets might have the ability to stimulate their caregivers, in particular the elderly, giving people someone to take care of, someone to exercise with, and someone to help them heal from a physically or psychologically troubled past. Academic Search Elite. EBSCOhost. Polk Library, UW Oshkosh Animal company can also help people to preserve acceptable levels of happiness despite the presence of mood symptoms like anxiety or depression. Having a pet may also help people achieve health goals, such as lowered blood pressure, or mental goals, such as decreased stress. There is evidence that having a pet can help a person lead a longer, healthier life. In a 1986 study of 92 people hospitalized for coronary ailments, within a year, 11 of the 29 patients without pets had died, compared to only 3 of the 52 patients who had pets. Having pet(s) was shown to significantly reduce triglycerides, and thus heart disease risk, in the elderly. A study by the National Institute of Health found that people who owned dogs were less likely to die as a result of a heart attack than those who did not own one. There is some evidence that pets may have a therapeutic effect in dementia cases. Other studies have shown that for the elderly, good health may be a requirement for having a pet, and not a result. Dogs trained to be
guide dog Guide dogs (colloquially known in the US as seeing-eye dogs) are assistance dogs trained to lead people who are blind or visually impaired around obstacles. Although dogs can be trained to navigate various obstacles, they are red–green c ...
s can help people with vision impairment. Dogs trained in the field of
Animal-Assisted Therapy Animal-assisted therapy (AAT) is an alternative or complementary type of therapy that includes the use of animals in a treatment. The goal of this animal-assisted intervention is to improve a patient's social, emotional, or cognitive functioning ...
(AAT) can also benefit people with other disabilities.


Pets in long-term care institutions

People residing in a long-term care facility, such as a hospice or nursing home, may experience health benefits from pets. Pets help them to cope with the emotional issues related to their illness. They also offer physical contact with another living creature, something that is often missing in an elder's life. Pets for nursing homes are chosen based on the size of the pet, the amount of care that the breed needs, and the population and size of the care institution. Appropriate pets go through a screening process and, if it is a dog, additional training programs to become a
therapy dog A therapy dog is a dog that is trained to provide affection, comfort and support to people, often in settings such as hospitals, retirement homes, nursing homes, schools, libraries, hospices, or disaster areas. In contrast to assistance dogs, ...
. There are three types of therapy dogs: facility therapy dogs, animal-assisted therapy dogs, and therapeutic visitation dogs. The most common therapy dogs are therapeutic visitation dogs. These dogs are household pets whose handlers take time to visit hospitals, nursing homes, detention facilities, and rehabilitation facilities. Different pets require varying amounts of attention and care; for example, cats may have lower maintenance requirements than dogs.


Connection with community

In addition to offering health benefits to their owners, pets also influence their owners' social lives and connections within their communities. Research suggests that pets may facilitate social interactions, fostering communication and engagement among individuals. Assistant Professor of Sociology at the University of Colorado at Boulder, Leslie Irvine has focused her attention on pets of the homeless population. Her studies of pet ownership among the homeless found that many modify their life activities for fear of losing their pets. Pet ownership prompts them to act responsibly, with many making a deliberate choice not to drink or use drugs, and to avoid contact with substance abusers or those involved in any criminal activity for fear of being separated from their pet. Additionally, many refuse to house in shelters if their pet is not allowed to stay with them.


Health risks

Health risks that are associated with pets include: * Aggravation of
allergies Allergies, also known as allergic diseases, are various conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. These diseases include Allergic rhinitis, hay fever, Food allergy, food al ...
and
asthma Asthma is a common long-term inflammatory disease of the airways of the lungs. It is characterized by variable and recurring symptoms, reversible airflow obstruction, and easily triggered bronchospasms. Symptoms include episodes of wh ...
caused by
dander Dander is material shed from the body of humans and other animals that have fur, hair, or feathers. The term is similar to dandruff, when an excess of flakes becomes visible. Skin flakes that come off the main body of an animal are dander, while ...
and
fur A fur is a soft, thick growth of hair that covers the skin of almost all mammals. It consists of a combination of oily guard hair on top and thick underfur beneath. The guard hair keeps moisture from reaching the skin; the underfur acts as an ...
or
feather Feathers are epidermal growths that form a distinctive outer covering, or plumage, on both avian (bird) and some non-avian dinosaurs and other archosaurs. They are the most complex integumentary structures found in vertebrates and an exa ...
s * Falling injuries. Tripping over pets, especially dogs, causes more than 86,000 falls serious enough to prompt a trip to the emergency room each year in the United States. Among elderly and disabled people, these falls have resulted in life-threatening injuries and broken bones. * Injury, mauling, and sometimes death caused by pet bites and attacks * Disease or parasites due to animal hygiene problems, lack of appropriate treatment, and undisciplined behavior (feces and urine) * Stress caused by the behavior of animals * Anxiety over who will care for the animal should the owner no longer be able to do so


Legislation


Treaties

The
European Convention for the Protection of Pet Animals The European Convention for the Protection of Pet Animals is a treaty of the Council of Europe to promote the welfare of pet animals and ensure minimum standards for their treatment and protection. The treaty was signed in 1987 and became effecti ...
is a 1987 treaty of the
Council of Europe The Council of Europe (CoE; , CdE) is an international organisation with the goal of upholding human rights, democracy and the Law in Europe, rule of law in Europe. Founded in 1949, it is Europe's oldest intergovernmental organisation, represe ...
– but accession to the treaty is open to all states in the world – to promote the welfare of pet animals and ensure minimum standards for their treatment and protection. It went into effect on 1 May 1992, and as of June 2020, it has been ratified by 24 states.


National and local laws


Ownership or guardianship

Pets have commonly been considered
private property Private property is a legal designation for the ownership of property by non-governmental Capacity (law), legal entities. Private property is distinguishable from public property, which is owned by a state entity, and from Collective ownership ...
,
owned Ownership is the state or fact of legal possession and control over property, which may be any asset, tangible or intangible. Ownership can involve multiple rights, collectively referred to as ''title'', which may be separated and held by diffe ...
by individual persons. Many legal protections have existed (historically and today) with the intention of safeguarding pets' and other animals' well-being.Garner, Robert. "A Defense of a Broad Animal Protectionism," in Francione and Garner 2010, pp. 120–121.Francione, Gary. ''Animals, Property, and the Law''. Temple University Press, 1995.Garner 2005, p. 15; also see Singer, Peter. ''Animal Liberation'', Random House, 1975; Regan, Tom. ''The Case for Animal Rights'', University of California Press, 1983; Francione, Gary. ''Animals, Property, and the Law''. Temple University Press, 1995; this paperback edition 2007. Since the year 2000, a small but increasing number of jurisdictions in North America have enacted laws redefining pet's ''owners'' as ''guardians''. Intentions have been characterized as simply changing attitudes and perceptions but not legal consequences to working toward
legal personhood In law, a legal person is any person or legal entity that can do the things a human person is usually able to do in law – such as enter into contracts, sue and be sued, own property, and so on. The reason for the term "''legal'' person" is t ...
for pets themselves. Some
veterinarian A veterinarian (vet) or veterinary surgeon is a medical professional who practices veterinary medicine. They manage a wide range of health conditions and injuries in non-human animals. Along with this, veterinarians also play a role in animal r ...
s and
breeder A breeder is a person who selectively breeds carefully selected mates, normally of the same breed, to sexually reproduce offspring with specific, consistently replicable qualities and characteristics. This might be as a farmer, agriculturalist ...
s have opposed these moves. The question of pets' legal status can arise with concern to purchase or adoption, custody,
divorce Divorce (also known as dissolution of marriage) is the process of terminating a marriage or marital union. Divorce usually entails the canceling or reorganising of the legal duties and responsibilities of marriage, thus dissolving the M ...
, estate and
inheritance Inheritance is the practice of receiving private property, titles, debts, entitlements, privileges, rights, and obligations upon the death of an individual. The rules of inheritance differ among societies and have changed over time. Offi ...
,
injury Injury is physiological damage to the living tissue of any organism, whether in humans, in other animals, or in plants. Injuries can be caused in many ways, including mechanically with penetration by sharp objects such as teeth or with ...
,
damage Damage is any change in a thing, often a physical object, that degrades it away from its initial state. It can broadly be defined as "changes introduced into a system that adversely affect its current or future performance".Farrar, C.R., Sohn, H., ...
, and veterinary malpractice.


Limitations on species

States, cities, and towns in
Western countries The Western world, also known as the West, primarily refers to various nations and states in Western Europe, Northern America, and Australasia; with some debate as to whether those in Eastern Europe and Latin America also constitute the West. ...
commonly enact local ordinances to limit the number or kind of pets a person may keep personally or for business purposes. Prohibited pets may be specific to certain breeds such as
pit bull Pit bull is an umbrella term for several Dog type, types of dog believed to have descended from bull and terriers. In the United States, the term is usually considered to include the American Pit Bull Terrier, American Staffordshire Terrier, A ...
s or
Rottweiler The Rottweiler (, , ) is a breed of domestic dog, regarded as medium-to-large or large. The dogs were known in German as , meaning Rottweil butchers' dogs, because their main use was to herd livestock and pull carts laden with butchered mea ...
s, they may apply to general categories of animals (such as
livestock Livestock are the Domestication, domesticated animals that are raised in an Agriculture, agricultural setting to provide labour and produce diversified products for consumption such as meat, Egg as food, eggs, milk, fur, leather, and wool. The t ...
, exotic animals,
wild animals Wildlife refers to undomesticated animals and uncultivated plant species which can exist in their natural habitat, but has come to include all organisms that grow or live wild in an area without being introduced by humans. Wildlife was also ...
, and
canid Canidae (; from Latin, ''canis'', "dog") is a family (biology), biological family of caniform carnivorans, constituting a clade. A member of this family is also called a canid (). The family includes three subfamily, subfamilies: the Caninae, a ...
or
felid Felidae ( ) is the Family (biology), family of mammals in the Order (biology), order Carnivora colloquially referred to as cats. A member of this family is also called a felid ( ). The 41 extant taxon, extant Felidae species exhibit the gre ...
hybrids), or they may simply be based on the animal's size. Additional or different maintenance rules and regulations may also apply.
Condominium A condominium (or condo for short) is an ownership regime in which a building (or group of buildings) is divided into multiple units that are either each separately owned, or owned in common with exclusive rights of occupation by individual own ...
associations and owners of rental properties also commonly limit or forbid tenants' keeping of pets. In
Belgium Belgium, officially the Kingdom of Belgium, is a country in Northwestern Europe. Situated in a coastal lowland region known as the Low Countries, it is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeas ...
and the
Netherlands , Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...
, the government publishes white lists and black lists (called 'positive' and 'negative lists') with animal species that are designated to be appropriate to be kept as pets (positive) or not (negative). The Dutch
Ministry of Economic Affairs and Climate Policy The Ministry of Economic Affairs (; EZ) is the Netherlands' ministry responsible for international trade, commercial, industrial, investment, technology, space policy, as well as tourism. The Ministry was created in 1905 as the Ministry of ...
originally established its first positive list (''positieflijst'') per 1 February 2015 for a set of 100 mammals (including cats, dogs and production animals) deemed appropriate as pets on the recommendations of
Wageningen University Wageningen University & Research (also known as WUR) is a public university, public research university in Wageningen, Netherlands, specializing in life sciences with a focus on agriculture, technical and engineering subjects. It is a globally i ...
. Parliamentary debates about such a pet list date back to the 1980s, with continuous disagreements about which species should be included and how the law should be enforced. In January 2017, the white list was expanded to 123 species, while the black list that had been set up was expanded (with animals like the
brown bear The brown bear (''Ursus arctos'') is a large bear native to Eurasia and North America. Of the land carnivorans, it is rivaled in size only by its closest relative, the polar bear, which is much less variable in size and slightly bigger on av ...
and two great
kangaroo Kangaroos are marsupials from the family Macropodidae (macropods, meaning "large foot"). In common use, the term is used to describe the largest species from this family, the red kangaroo, as well as the antilopine kangaroo, eastern gre ...
species) to contain 153 species unfit for petting, such as the
armadillo Armadillos () are New World placental mammals in the order (biology), order Cingulata. They form part of the superorder Xenarthra, along with the anteaters and sloths. 21 extant species of armadillo have been described, some of which are dis ...
, the
sloth Sloths are a Neotropical realm, Neotropical group of xenarthran mammals constituting the suborder Folivora, including the extant Arboreal locomotion, arboreal tree sloths and extinct terrestrial ground sloths. Noted for their slowness of move ...
, the
European hare The European hare (''Lepus europaeus''), also known as the brown hare, is a species of hare native to Europe and parts of Asia. It is among the largest hare species and is adapted to temperate, open country. Hares are herbivorous and feed mainly ...
, and the
wild boar The wild boar (''Sus scrofa''), also known as the wild swine, common wild pig, Eurasian wild pig, or simply wild pig, is a Suidae, suid native to much of Eurasia and North Africa, and has been introduced to the Americas and Oceania. The speci ...
.


Killing and eating pets

In January 2011, the Belgian Federal Agency for the Safety of the Food Chain stated that people are not allowed to kill miscellaneous or unknown cats walking in their garden, but "nowhere in the law does it say that you can't eat your cat, dog, rabbit, fish or whatever. You just have to kill them in an animal-friendly way." Since 1 July 2014, it is illegal in the Netherlands for owners to kill their own cats and dogs kept as pets. Parakeets, guinea pigs, hamsters and other animals may still be killed by their owners, but nonetheless when owners mistreat their companion animals (for example, in the process of killing them), the owners can still be prosecuted under Dutch law.


Environmental impact

Pets have a considerable environmental impact, especially in countries where they are common or held in high densities. For instance, the 163 million dogs and cats kept in the United States consume about 20% of the amount of dietary energy that humans do and an estimated 33% of the animal-derived energy. They produce about 30% ± 13%, by mass, as much feces as Americans, and through their diet, constitute about 25–30% of the environmental impacts from animal production in terms of the use of land, water, fossil fuel, phosphate, and biocides. Dog and cat animal product consumption is responsible for the release of up to 64 ± 16 million tons CO2-equivalent methane and
nitrous oxide Nitrous oxide (dinitrogen oxide or dinitrogen monoxide), commonly known as laughing gas, nitrous, or factitious air, among others, is a chemical compound, an Nitrogen oxide, oxide of nitrogen with the Chemical formula, formula . At room te ...
, two powerful
greenhouse gas Greenhouse gases (GHGs) are the gases in the atmosphere that raise the surface temperature of planets such as the Earth. Unlike other gases, greenhouse gases absorb the radiations that a planet emits, resulting in the greenhouse effect. T ...
ses. Americans are the largest pet owners in the world, but pet ownership in the US has considerable environmental costs.


Types

While many people have kept many different species of animals in captivity over the course of human history, only a relative few have been kept long enough to be considered
domesticated Domestication is a multi-generational mutualistic relationship in which an animal species, such as humans or leafcutter ants, takes over control and care of another species, such as sheep or fungi, to obtain from them a steady supply of reso ...
. Other types of animal, notably
monkey Monkey is a common name that may refer to most mammals of the infraorder Simiiformes, also known as simians. Traditionally, all animals in the group now known as simians are counted as monkeys except the apes. Thus monkeys, in that sense, co ...
s, have never been domesticated but are still sold and kept as pets. Some wild animals are kept as pets, such as tigers, even though this is illegal. There is a market for illegal pets.


Domesticated

Domesticated Domestication is a multi-generational mutualistic relationship in which an animal species, such as humans or leafcutter ants, takes over control and care of another species, such as sheep or fungi, to obtain from them a steady supply of reso ...
pets are the most common. A ''domesticated animal'' is a species that has been made fit for a human environment, by being consistently kept in captivity and
selectively bred Selective breeding (also called artificial selection) is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits (characteristics) by choosing which typically animal or plant ma ...
over a long enough period of time that it exhibits marked differences in behavior and appearance from its wild relatives. Domestication contrasts with
taming A tame animal is an animal that is relatively tolerant of human presence. Tameness may arise naturally (as in the case, for example, of island tameness) or due to the deliberate, human-directed process of animal training, training an animal agai ...
, which is simply when an un-domesticated, wild animal has become tolerant of human presence, and perhaps even enjoys it. Large
mammals A mammal () is a vertebrate animal of the class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle e ...
that might be kept as pets include
alpaca The alpaca (''Lama pacos'') is a species of South American camelid mammal. Traditionally, alpacas were kept in herds that grazed on the level heights of the Andes of Southern Peru, Western Bolivia, Ecuador, and Northern Chile. More recentl ...
,
camel A camel (from and () from Ancient Semitic: ''gāmāl'') is an even-toed ungulate in the genus ''Camelus'' that bears distinctive fatty deposits known as "humps" on its back. Camels have long been domesticated and, as livestock, they provid ...
,
cattle Cattle (''Bos taurus'') are large, domesticated, bovid ungulates widely kept as livestock. They are prominent modern members of the subfamily Bovinae and the most widespread species of the genus '' Bos''. Mature female cattle are calle ...
,
donkey The donkey or ass is a domesticated equine. It derives from the African wild ass, ''Equus africanus'', and may be classified either as a subspecies thereof, ''Equus africanus asinus'', or as a separate species, ''Equus asinus''. It was domes ...
,
goat The goat or domestic goat (''Capra hircus'') is a species of Caprinae, goat-antelope that is mostly kept as livestock. It was domesticated from the wild goat (''C. aegagrus'') of Southwest Asia and Eastern Europe. The goat is a member of the ...
,
horse The horse (''Equus ferus caballus'') is a domesticated, one-toed, hoofed mammal. It belongs to the taxonomic family Equidae and is one of two extant subspecies of ''Equus ferus''. The horse has evolved over the past 45 to 55 mi ...
,
llama The llama (; or ) (''Lama glama'') is a domesticated South American camelid, widely used as a List of meat animals, meat and pack animal by Inca empire, Andean cultures since the pre-Columbian era. Llamas are social animals and live with ...
,
pig The pig (''Sus domesticus''), also called swine (: swine) or hog, is an omnivorous, domesticated, even-toed, hoofed mammal. It is named the domestic pig when distinguishing it from other members of the genus '' Sus''. Some authorities cons ...
,
reindeer The reindeer or caribou (''Rangifer tarandus'') is a species of deer with circumpolar distribution, native to Arctic, subarctic, tundra, taiga, boreal, and mountainous regions of Northern Europe, Siberia, and North America. It is the only re ...
,
sheep Sheep (: sheep) or domestic sheep (''Ovis aries'') are a domesticated, ruminant mammal typically kept as livestock. Although the term ''sheep'' can apply to other species in the genus '' Ovis'', in everyday usage it almost always refers to d ...
and yak. Small mammals that might be kept as pets include:
ferret The ferret (''Mustela furo'') is a small, domesticated species belonging to the family Mustelidae. The ferret is most likely a domesticated form of the wild European polecat (''Mustela putorius''), as evidenced by the ferret's ability to inter ...
,
hedgehog A hedgehog is a spiny mammal of the subfamily Erinaceinae, in the eulipotyphlan family Erinaceidae. There are 17 species of hedgehog in five genera found throughout parts of Europe, Asia, and Africa, and in New Zealand by introduction. The ...
,
rabbit Rabbits are small mammals in the family Leporidae (which also includes the hares), which is in the order Lagomorpha (which also includes pikas). They are familiar throughout the world as a small herbivore, a prey animal, a domesticated ...
,
sugar glider The sugar glider (''Petaurus breviceps'') is a small, omnivorous, arboreal, and nocturnal gliding possum. The common name refers to its predilection for sugary foods such as sap and nectar and its ability to glide through the air, much lik ...
, and
rodents Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...
, including
rat Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus ''Rattus''. Other rat genera include '' Neotoma'' (pack rats), '' Bandicota'' (bandicoo ...
,
mouse A mouse (: mice) is a small rodent. Characteristically, mice are known to have a pointed snout, small rounded ears, a body-length scaly tail, and a high breeding rate. The best known mouse species is the common house mouse (''Mus musculus'' ...
,
hamster Hamsters are rodents (order Rodentia) belonging to the subfamily Cricetinae, which contains 19 species classified in seven genera. They have become established as popular small pets. The best-known species of hamster is the golden or Syrian ...
,
guinea pig The guinea pig or domestic guinea pig (''Cavia porcellus''), also known as the cavy or domestic cavy ( ), is a species of rodent belonging to the genus ''Cavia'', family Caviidae. Animal fancy, Breeders tend to use the name "cavy" for the ani ...
,
gerbil The Mongolian gerbil or Mongolian jird (''Meriones unguiculatus'') is a rodent belonging to the subfamily Gerbillinae. Their body size is typically , with a tail, and body weight , with adult males larger than females. The animal is used in s ...
, and
chinchilla Chinchilla refers to either of two species ('' Chinchilla chinchilla'' and '' Chinchilla lanigera'') of crepuscular rodents of the parvorder Caviomorpha, and are native to the Andes mountains in South America. They live in colonies called "her ...
. Other mammals include
cat The cat (''Felis catus''), also referred to as the domestic cat or house cat, is a small domesticated carnivorous mammal. It is the only domesticated species of the family Felidae. Advances in archaeology and genetics have shown that the ...
,
dog The dog (''Canis familiaris'' or ''Canis lupus familiaris'') is a domesticated descendant of the gray wolf. Also called the domestic dog, it was selectively bred from a population of wolves during the Late Pleistocene by hunter-gatherers. ...
,
monkey Monkey is a common name that may refer to most mammals of the infraorder Simiiformes, also known as simians. Traditionally, all animals in the group now known as simians are counted as monkeys except the apes. Thus monkeys, in that sense, co ...
, and
domesticated silver fox The domesticated silver fox (''Vulpes vulpes'' forma ''amicus'') is a form of the silver fox that has been to some extent domesticated under laboratory conditions. The silver fox is a melanistic form of the wild red fox. Domesticated silver fox ...
.
Birds Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...
kept as pets include companion parrots like the budgie (
parakeet A parakeet is any one of many small- to medium-sized species of parrot, in multiple genera, that generally has long tail feathers. Etymology and naming The name ''parakeet'' is derived from the French word ''perroquet'', which is reflect ...
) and
cockatiel The cockatiel (; ''Nymphicus hollandicus''), also known as the weero/weiro or quarrion, is a medium-sized parrot that is a member of its own branch of the cockatoo family endemic to Australia. They are prized as exotic household pets and compa ...
,
fowl Fowl are birds belonging to one of two biological orders, namely the gamefowl or landfowl ( Galliformes) and the waterfowl ( Anseriformes). Anatomical and molecular similarities suggest these two groups are close evolutionary relatives; toget ...
such as
chickens The chicken (''Gallus gallus domesticus'') is a domesticated subspecies of the red junglefowl (''Gallus gallus''), originally native to Southeast Asia. It was first domesticated around 8,000 years ago and is now one of the most common and w ...
,
turkeys The turkey is a large bird in the genus ''Meleagris'', native to North America. There are two extant turkey species: the wild turkey (''Meleagris gallopavo'') of eastern and central North America and the ocellated turkey (''Meleagris ocell ...
,
ducks Duck is the common name for numerous species of waterfowl in the family (biology), family Anatidae. Ducks are generally smaller and shorter-necked than swans and goose, geese, which are members of the same family. Divided among several subfam ...
,
geese A goose (: geese) is a bird of any of several waterfowl species in the family Anatidae. This group comprises the genera '' Anser'' (grey geese and white geese) and ''Branta'' (black geese). Some members of the Tadorninae subfamily (e.g., Egyp ...
, and
quail Quail is a collective name for several genera of mid-sized birds generally placed in the order Galliformes. The collective noun for a group of quail is a flock, covey, or bevy. Old World quail are placed in the family Phasianidae, and New ...
, columbines, and
passerine A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped') which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their ...
s, namely
finches The true finches are small to medium-sized passerine birds in the family Fringillidae. Finches generally have stout conical bills adapted for eating seeds and nuts and often have colourful plumage. They occupy a great range of habitats where the ...
and canaries.
Fish A fish (: fish or fishes) is an aquatic animal, aquatic, Anamniotes, anamniotic, gill-bearing vertebrate animal with swimming fish fin, fins and craniate, a hard skull, but lacking limb (anatomy), limbs with digit (anatomy), digits. Fish can ...
kept as pets include:
goldfish The goldfish (''Carassius auratus'') is a freshwater fish in the family Cyprinidae of the order Cypriniformes. It is commonly kept as a pet in indoor aquariums, and is one of the most popular aquarium fish. Goldfish released into the w ...
, koi,
Siamese fighting fish The Siamese fighting fish (''Betta splendens''), commonly known as the betta, is a freshwater fish native to Southeast Asia, namely Cambodia, Laos, Myanmar, Malaysia, Indonesia, Thailand, and Vietnam. It is one of 76 species of the genus '' Bet ...
(
Betta ''Betta'' is a large genus of small, active, often colorful, freshwater ray-finned fishes, in the gourami family (biology), family (Osphronemidae). The best known ''Betta'' species is ''B. splendens,'' commonly known as the Siamese fighting f ...
),
barb Barb or the BARBs or ''variation'' may refer to: People * Barb (name), a list of people and fictional characters with the given name or surname * Barb, a term used by fans of Nicki Minaj to refer to themselves * The Barbs, a band Places * Barb, ...
,
guppy The Greater Underwater Propulsion Power Program (GUPPY) was initiated by the United States Navy after World War II to improve the submerged speed, maneuverability, and endurance of its submarines. (The "Y" in the acronym was added for pronouncea ...
, molly,
Japanese rice fish The Japanese rice fish (''Oryzias latipes''), also known as the medaka, is a member of genus ''Oryzias'' (ricefish), the only genus in the subfamily Oryziinae. This small (up to about ) native of Japan is a denizen of rice paddies, marshes, pon ...
(Medaka), and
oscar Oscar, OSCAR, or The Oscar may refer to: People and fictional and mythical characters * Oscar (given name), including lists of people and fictional characters named Oscar, Óscar or Oskar * Oscar (footballer, born 1954), Brazilian footballer ...
.
Arthropods Arthropods ( ) are invertebrates in the phylum Arthropoda. They possess an arthropod exoskeleton, exoskeleton with a cuticle made of chitin, often Mineralization (biology), mineralised with calcium carbonate, a body with differentiated (Metam ...
kept as pets include
bees Bees are winged insects closely related to wasps and ants, known for their roles in pollination and, in the case of the best-known bee species, the western honey bee, for producing honey. Bees are a monophyletic lineage within the superfamil ...
, such as
honey bees A honey bee (also spelled honeybee) is a eusocial flying insect within the genus ''Apis'' of the bee clade, all native to mainland Afro-Eurasia. After bees spread naturally throughout Africa and Eurasia, humans became responsible for the ...
and stingless bees, Silk moth, and ant farms.
Reptiles Reptiles, as commonly defined, are a group of tetrapods with an ectothermic metabolism and Amniotic egg, amniotic development. Living traditional reptiles comprise four Order (biology), orders: Testudines, Crocodilia, Squamata, and Rhynchocepha ...
and
amphibians Amphibians are ectothermic, anamniote, anamniotic, tetrapod, four-limbed vertebrate animals that constitute the class (biology), class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all Tetrapod, tetrapods, but excl ...
kept as pets include
snake Snakes are elongated limbless reptiles of the suborder Serpentes (). Cladistically squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales much like other members of the group. Many species of snakes have s ...
s,
turtle Turtles are reptiles of the order (biology), order Testudines, characterized by a special turtle shell, shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Crypt ...
s,
axolotl The axolotl (; from ) (''Ambystoma mexicanum'') is a neoteny, paedomorphic salamander, one that Sexual maturity, matures without undergoing metamorphosis into the terrestrial adult form; adults remain Aquatic animal, fully aquatic with obvio ...
,
frog A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order (biology), order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough ski ...
s and
salamander Salamanders are a group of amphibians typically characterized by their lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All t ...
s.


Wild animals

Wild animals are kept as pets. The term ''wild'' in this context specifically applies to any species of animal which has not undergone a fundamental change in behavior to facilitate a close co-existence with humans. Some species may have been bred in captivity for a considerable length of time, but are still not recognized as
domesticated Domestication is a multi-generational mutualistic relationship in which an animal species, such as humans or leafcutter ants, takes over control and care of another species, such as sheep or fungi, to obtain from them a steady supply of reso ...
. Generally, wild animals are recognized as not suitable to keep as pets, and this practice is completely banned in many places. In other areas, certain species are allowed to be kept, and it is usually required for the owner to obtain a permit. It is considered
animal cruelty Cruelty to animals, also called animal abuse, animal neglect or animal cruelty, is the infliction of suffering or Injury, harm by humans upon animals, either by omission (neglect) or by commission. More narrowly, it can be the causing of harm ...
by some, as most often, wild animals require precise and constant care that is very difficult to meet in captive conditions. Many large and instinctively aggressive animals are extremely dangerous, and numerous times have they killed their handlers.


History


Prehistory

Archaeology suggests that human ownership of dogs as pets may date back to at least 12,000 years ago.


Ancient history

Ancient Greeks Ancient Greece () was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity (), that comprised a loose collection of culturally and linguistically re ...
and
Romans Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of Roman civilization *Epistle to the Romans, shortened to Romans, a letter w ...
would openly grieve for the loss of a dog, evidenced by inscriptions left on tombstones commemorating their loss. The surviving epitaphs dedicated to horses are more likely to reference a gratitude for the companionship that had come from war horses rather than race horses. The latter may have chiefly been commemorated as a way to further the owner's fame and glory. In
Ancient Egypt Ancient Egypt () was a cradle of civilization concentrated along the lower reaches of the Nile River in Northeast Africa. It emerged from prehistoric Egypt around 3150BC (according to conventional Egyptian chronology), when Upper and Lower E ...
, dogs and baboons were kept as pets and buried with their owners. Dogs were given names, which is significant as Egyptians considered names to have magical properties. In the
Old Testament The Old Testament (OT) is the first division of the Christian biblical canon, which is based primarily upon the 24 books of the Hebrew Bible, or Tanakh, a collection of ancient religious Hebrew and occasionally Aramaic writings by the Isr ...
passage in
2 Samuel 12 2 Samuel 12 is the twelfth chapter of the Second Book of Samuel in the Old Testament of the Christian Bible or the second part of Books of Samuel in the Hebrew Bible. According to Jewish tradition the book was attributed to the prophet Samuel, wi ...
, the prophet
Nathan Nathan or Natan may refer to: People and biblical figures *Nathan (given name), including a list of people and characters with this name * Nathan (surname) *Nathan (prophet), a person in the Hebrew Bible *Nathan (son of David), a biblical figu ...
, in order to indicate to
King David David (; , "beloved one") was a king of ancient Israel and Judah and the third king of the United Monarchy, according to the Hebrew Bible and Old Testament. The Tel Dan stele, an Aramaic-inscribed stone erected by a king of Aram-Damas ...
the seriousness of his adulterous and murderous affair with
Bathsheba Bathsheba (; , ) was an Kings of Israel and Judah, Israelite queen consort. According to the Hebrew Bible, she was the wife of Uriah the Hittite and later of David, with whom she had all of her five children. Her status as the mother of Solomon ...
, uses the
parable A parable is a succinct, didactic story, in prose or verse, that illustrates one or more instructive lessons or principles. It differs from a fable in that fables employ animals, plants, inanimate objects, or forces of nature as characters, whe ...
of a poor man's pet lamb being slaughtered by a rich neighbor who uses it to feed a guest. David, who had spent his youth as a shepherd and had compassion and affection for such a creature, becomes enraged at the rich man in the parable, only to be told by Nathan, “You are the man!” David, having been thus exposed as a hypocrite, confesses, “I have sinned.” This is one of the only instances in
Scripture Religious texts, including scripture, are texts which various religions consider to be of central importance to their religious tradition. They often feature a compilation or discussion of beliefs, ritual practices, moral commandments and ...
of an animal being kept for companionship rather than for utilitarian purposes, apart from the acquisition of exotic animals by David's son
King Solomon King is a royal title given to a male monarch. A king is an absolute monarch if he holds unrestricted governmental power or exercises full sovereignty over a nation. Conversely, he is a constitutional monarch if his power is restrained by f ...
for a menagerie ( 2 Chronicles 9)


Victorian era: the rise of modern pet keeping

Throughout the 17th and 18th-century pet keeping in the modern sense gradually became accepted throughout
Britain Britain most often refers to: * Great Britain, a large island comprising the countries of England, Scotland and Wales * The United Kingdom of Great Britain and Northern Ireland, a sovereign state in Europe comprising Great Britain and the north-eas ...
. Initially, aristocrats kept dogs for both companionship and hunting. Thus, pet keeping was a sign of elitism within society. By the 19th century, the rise of the middle class stimulated the development of pet keeping and it became inscribed within the
bourgeois The bourgeoisie ( , ) are a class of business owners, merchants and wealthy people, in general, which emerged in the Late Middle Ages, originally as a "middle class" between the peasantry and Aristocracy (class), aristocracy. They are tradition ...
culture.


Economy

As the popularity of pet-keeping in the modern sense rose during the
Victorian era In the history of the United Kingdom and the British Empire, the Victorian era was the reign of Queen Victoria, from 20 June 1837 until her death on 22 January 1901. Slightly different definitions are sometimes used. The era followed the ...
, animals became a fixture within urban culture as commodities and decorative objects. Pet keeping generated a commercial opportunity for entrepreneurs. By the mid-19th century, nearly twenty thousand street vendors in London dealt with live animals. The popularity of animals also developed a demand for animal goods such as accessories and guides for pet keeping. Pet care developed into a big business by the end of the nineteenth century. Profiteers also sought out pet stealing as a means for economic gain. Utilizing the affection that owners had for their pets, professional dog stealers would capture animals and hold them for ransom. The development of dog stealing reflects the increased value of pets. Pets gradually became defined as the property of their owners. Laws were created that punished offenders for their burglary.


Social

Pets and animals also had social and cultural implications throughout the nineteenth century. The categorization of dogs by their breeds reflected the hierarchical, social order of the Victorian era. The pedigree of a dog represented the high status and lineage of their owners and reinforced social stratification. Middle-class owners valued the ability to associate with the upper-class through ownership of their pets. The ability to care for a pet signified respectability and the capability to be self-sufficient. According to Harriet Ritvo, the identification of "elite animal and elite owner was not a confirmation of the owner's status but a way of redefining it."


Entertainment

The popularity of dog and pet keeping generated
animal fancy Animal fancy is a hobby involving the appreciation, promotion, or breeding of pet or domestic animals. Fancy may include ownership, showing, animal sports and other competitions, and breeding. Hobbyists may simply collect specimens of the anima ...
. Dog fanciers showed enthusiasm for owning pets, breeding dogs, and showing dogs in various shows. The first
dog show A dog show is an animal show; it is an event where dogs are exhibited. A conformation show, also referred to as a '' breed show'', is a kind of dog show in which a judge, familiar with a specific dog breed, evaluates individual purebred dogs f ...
took place on 28 June 1859 in Newcastle and focused mostly on sporting and hunting dogs. However, pet owners produced an eagerness to demonstrate their pets as well as have an outlet to compete. Thus, pet animals gradually were included within dog shows. The first large show, which would host one thousand entries, took place in Chelsea in 1863. The Kennel Club was created in 1873 to ensure fairness and organization within dog shows. The development of the ''
Stud Book A breed registry, also known as a herdbook, studbook or register, in animal husbandry, the hobby of animal fancy, is an official list of animals within a specific breed whose parents are known. Animals are usually registered by their breeders wh ...
'' by the Kennel Club defined policies, presented a national registry system of purebred dogs, and essentially institutionalized dog shows.


Pet ownership by non-humans

Pet ownership by animals in the wild, as an analogue to the human phenomenon, has not been observed and is likely non-existent in nature. One group of
capuchin monkeys The capuchin monkeys () are New World monkeys of the subfamily Cebinae. They are readily identified as the " organ grinder" monkey, and have been used in many movies and television shows. The range of capuchin monkeys includes some tropical fores ...
was observed appearing to care for a
marmoset The marmosets (), also known as zaris or sagoin, are twenty-two New World monkey species of the genera '' Callithrix'', '' Cebuella'', '' Callibella'', and ''Mico''. All four genera are part of the biological family Callitrichidae. The term ...
, a fellow
New World monkey New World monkeys are the five families of primates that are found in the tropical regions of Mexico, Central and South America: Callitrichidae, Cebidae, Aotidae, Pitheciidae, and Atelidae. The five families are ranked together as the Ceboi ...
species; however, observations of
chimpanzees The chimpanzee (; ''Pan troglodytes''), also simply known as the chimp, is a species of great ape native to the forests and savannahs of tropical Africa. It has four confirmed subspecies and a fifth proposed one. When its close relative the ...
apparently playing with small animals like
hyraxes Hyraxes (), also called dassies, are small, stout, thickset, herbivorous mammals in the family Procaviidae within the order Hyracoidea. Hyraxes are well-furred, rotund animals with short tails. Modern hyraxes are typically between in length a ...
have ended with the chimpanzees killing the animals and tossing the corpses around. A 2010 study states that human relationships with animals have an exclusive human cognitive component and that pet-keeping is a fundamental and ancient attribute of the human species.
Anthropomorphism Anthropomorphism is the attribution of human traits, emotions, or intentions to non-human entities. It is considered to be an innate tendency of human psychology. Personification is the related attribution of human form and characteristics t ...
, or the projection of human feelings, thoughts and attributes on to animals, is a defining feature of human pet-keeping. The study identifies it as the same trait in evolution responsible for
domestication Domestication is a multi-generational Mutualism (biology), mutualistic relationship in which an animal species, such as humans or leafcutter ants, takes over control and care of another species, such as sheep or fungi, to obtain from them a st ...
and concern for
animal welfare Animal welfare is the quality of life and overall well-being of animals. Formal standards of animal welfare vary between contexts, but are debated mostly by animal welfare groups, legislators, and academics. Animal welfare science uses measures ...
. It is estimated to have arisen at least 100,000
years before present Before Present (BP) or "years before present (YBP)" is a time scale used mainly in archaeology, geology, and other scientific disciplines to specify when events occurred relative to the origin of practical radiocarbon dating in the 1950s. Because ...
(ybp) in ''
Homo sapiens Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are Hominidae, great apes characterized by their Prehistory of nakedness and clothing ...
''. It is debated whether this redirection of human nurturing behaviour towards non-human animals, in the form of pet-keeping, was
maladaptive In evolution, a maladaptation ( /ˌmælædæpˈteɪʃən/) is a trait that is (or has become) more harmful than helpful, in contrast with an adaptation, which is more helpful than harmful. All organisms, from bacteria to humans, display maladapt ...
, due to being biologically costly, or whether it was positively selected for. Two studies suggest that the human ability to domesticate and keep pets came from the same fundamental evolutionary trait and that this trait provided a material benefit in the form of domestication that was sufficiently adaptive to be positively selected for. A 2011 study suggests that the practical functions that some pets provide, such as assisting hunting or removing pests, could have resulted in enough evolutionary advantage to allow for the persistence of this behaviour in humans and outweigh the economic burden held by pets kept as playthings for immediate emotional rewards. Two other studies suggest that the behaviour constitutes an error, side effect or misapplication of the evolved mechanisms responsible for human empathy and
theory of mind In psychology and philosophy, theory of mind (often abbreviated to ToM) refers to the capacity to understand other individuals by ascribing mental states to them. A theory of mind includes the understanding that others' beliefs, desires, intent ...
to cover non-human animals which has not sufficiently impacted its evolutionary advantage in the long run. Animals in
captivity Captivity, or being held captive, is a state wherein humans or other animals are confined to a particular space and prevented from leaving or moving freely. An example in humans is imprisonment. Prisoners of war are usually held in captivity by a ...
, with the help of caretakers, have been considered to have owned pets. Examples of this include Koko the gorilla who had several pet cats, Tonda the orangutan and a pet cat and Tarra the elephant and a dog named Bella.


Ethics

Some scholars, ethicists, and
animal rights organizations Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia (). With few exceptions, animals consume organic material, breathe oxygen, have myocytes and are able to move, can reproduce sexually, and grow from a ho ...
have raised concerns over keeping pets because of the lack of autonomy and the objectification of non-human animals. By contrast, Ikechukwu Monday Osebor writing in the Aquino Journal from the
University of Nigeria The University of Nigeria, commonly referred to as UNN, is a federal and public research university located in Nsukka, Enugu State, South-east Nigeria. Founded in 1955 by Nnamdi Azikiwe who was Governor-General of Nigeria between 1960 and 1963 ...
argues from a
consequentialist In moral philosophy, consequentialism is a class of normative, teleological ethical theories that holds that the consequences of one's conduct are the ultimate basis for judgement about the rightness or wrongness of that conduct. Thus, from ...
perspective that pet ownership can be ethical. Gary Francione and Anna Charlton argue that pet breeding and ownership are unethical because they view it as treating animals as property and commodifying them. Further concerns arise from
vegan Veganism is the practice of abstaining from the use of animal products and the consumption of animal source foods, and an associated philosophy that rejects the commodity status of animals. A person who practices veganism is known as a ve ...
and
vegetarian Vegetarianism is the practice of abstaining from the Eating, consumption of meat (red meat, poultry, seafood, insects as food, insects, and the flesh of any other animal). It may also include abstaining from eating all by-products of animal slau ...
perspectives with the fact that some pets require the consumption of meat and thus keeping pets may be unethical.


Pets in art

File: Katharine of Aragon with a monkey.jpg, Katharine of Aragon with a monkey File: Jean-Honoré Fragonard - The Girl with the Marmot - Google Art Project.jpg, The Girl with the Marmot by
Jean-Honoré Fragonard Jean-Honoré Fragonard (; 5 April 1732 (birth/baptism certificate) – 22 August 1806) was a French painter and printmaker whose late Rococo manner was distinguished by remarkable facility, exuberance, and hedonism. One of the most prolific art ...
File: Dubufe Un regal pour son animal de compagnie.jpg File: Édouard Manet - Young Lady in 1866 - Google Art Project.jpg, - Young Lady with parrot by
Édouard Manet Édouard Manet (, ; ; 23 January 1832 – 30 April 1883) was a French Modernism, modernist painter. He was one of the first 19th-century artists to paint modern life, as well as a pivotal figure in the transition from Realism (art movement), R ...
1866 File: Antoinette Metayer (1732-88). Oudste zuster van Louis Metayer Rijksmuseum SK-A-2140.jpeg, Antoinette Metayer (1732–88) and her pet dog File:Lady with an Ermine - Leonardo da Vinci (adjusted levels).jpg, The Lady with an Ermine File: Sir Henry Raeburn - Boy and Rabbit.jpg,
Sir Henry Raeburn Sir Henry Raeburn (; 4 March 1756 – 8 July 1823) was a Scottish portrait painter. He served as Portrait Painter to King George IV in Scotland. Biography Raeburn was born the son of a manufacturer in Stockbridge, on the Water of Leith: a for ...
- Boy and Rabbit File: Eos, A Favorite Greyhound of Prince Albert.jpg, Eos, A Favorite Greyhound of Prince Albert File:Massimo Stanzione - Woman in Neapolitan Costume.jpg, A Neapolitan Woman File: David Dalby of York - Signal, a Grey Arab, with a Groom in the Desert - Google Art Project.jpg, Signal, a Grey Arab, with a Groom in the Desert File: Eduardo Leon Garrido. An Elegant Lady with her Dog.jpg, Eduardo Leon Garrido. An Elegant Lady with her Dog File: Tissot James Jacques The Fireplace.jpg, ''The Fireplace'' depicting a
Pug The Pug is a breed of dog with the physically distinctive features of a wrinkly, short-muzzled face, and curled tail. An ancient breed, with roots dating back to 400 B.C., they have a fine, glossy coat that comes in a variety of colors, most ...
,
James Tissot Jacques Joseph Tissot (; 15 October 1836 – 8 August 1902), better known as James Tissot ( , ), was a French painter, illustrator, and caricaturist. He was born to a drapery merchant and a milliner and decided to pursue a career in art at a y ...
File: The nubian giraffe.jpg File: Rosa Bonheur - Portrait de Col. William F. Cody.jpg, Rosa Bonheur - Portrait of William F. Cody File: Boerendeel Rijksmuseum SK-C-540.jpeg Image: Wriothesley southampton.jpg File:MauriceDenis-LaLegendeDeStHubert-2LeLacherDesChiens.JPG, Hunt File:The Pashas Favourite Tiger.jpg, ''The Pasha's Favourite Tiger'', oil painting by Rudolph Ernst


See also

* Alternative pets: **
Digital pet A virtual pet (also known as a digital pet, artificial pet, or pet-raising simulation) is a type of artificial human companion. They are usually kept for companionship or enjoyment, or as an alternative to a real pet. Digital pets have no conc ...
** Robotic pet * Animal captivity *
Animal hoarding Animal hoarding, sometimes called Noah syndrome, is keeping a higher-than-usual number of animals as domestic pets without the ability to properly house or care for them, while at the same time denial, denying this inability. Compulsive hoarding ...
*
Anthrozoology Anthrozoology, also known as human–animal studies (HAS), is the subset of ethnobiology that deals with biological interaction, interactions between humans and other animals. It is an interdisciplinary field that overlaps with other disciplin ...
* Classroom pet * Feline arterial thromboembolism *
List of individual cats This is a list of individual cats who have achieved some degree of popularity or notability. Before the modern era * Nedjem or Nojem (Egyptian language, Egyptian: ''nḏm'' "Sweet One" or "Sweetie"), 15th century BC. The cat of Puimre, second p ...
*
List of individual dogs The following is a list of individual dogs. Actors Advertising * Alex the dog, Banjo, portrayed Carlos, an Irish Setter-Golden Retriever mix and star of Stroh Brewery Company, Stroh's beer advertising in the 1980s. Also mentioned in the 1 ...
*
Pet adoption Pet adoption is the process of transferring responsibility for a pet. Common sources for adoptable pets are animal shelters, rescue groups, or other pet owners. Some organizations give adopters ownership of the pet, while others use a guardi ...
* Pet loss *
Zoonosis A zoonosis (; plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a virus, bacterium, parasite, fungi, or prion) that can jump from a non-human vertebrate to a human. When ...


References


Further reading

*


External links


Companion Animal Demographics in the United States: A Historical Perspective
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* {{Authority control Human–animal interaction