Ophiophagy (

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

"snake eating") is a specialized form of

feeding Eating (also known as consuming) is the ingestion of food, typically to provide a heterotrophic organism with food energy, energy and to allow for :wikt:growth, growth. Animals and other heterotrophs must eat in order to survive — carnivor ...

or alimentary

behavior Behavior (American English) or behaviour ( British English) is the range of actions and mannerisms made by individuals, organisms, systems or artificial entities in some environment. These systems can include other systems or organisms as w ...

of animals which

hunt Hunting is the human activity, human practice of seeking, pursuing, capturing, or killing wildlife or feral animals. The most common reasons for humans to hunt are to harvest food (i.e. meat) and useful animal products (fur/hide (skin), hide, ...

and eat

snake Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more j ...

s. There are ophiophagous mammals (such as the

skunk Skunks are mammals in the family Mephitidae. They are known for their ability to spray a liquid with a strong, unpleasant scent from their anal glands. Different species of skunk vary in appearance from black-and-white to brown, cream or gi ...

s and the

mongoose A mongoose is a small terrestrial carnivorous mammal belonging to the family Herpestidae. This family is currently split into two subfamilies, the Herpestinae and the Mungotinae. The Herpestinae comprises 23 living species that are native to ...

s),

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...

s (such as

snake eagles ''Circaetus'', the snake eagles, is a genus of medium-sized eagles in the bird of prey family Accipitridae. They are mainly resident African species, but the migratory short-toed snake eagle breeds from the Mediterranean basin into Russia, the M ...

, the secretarybird, and some

hawk Hawks are birds of prey of the family Accipitridae. They are widely distributed and are found on all continents except Antarctica. * The subfamily Accipitrinae includes goshawks, sparrowhawks, sharp-shinned hawks and others. This subfa ...

s),

lizard Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia al ...

s (such as the common collared lizard), and even other snakes, such as the Central and South American mussuranas and the North American

common kingsnake ''Lampropeltis getula'', commonly known as the eastern kingsnake,Roger Conant (herpetologist), Conant R (1975). ''A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition''. (First published in 1958). Boston: ...

. The genus of the venomous king cobra (''Ophiophagus hannah'') is named for this habit.

Ophiophagy in myth and legend

:''The mythic associations of snakes are discussed at

Serpent (symbolism) The serpent, or snake, is one of the oldest and most widespread mythological symbols. The word is derived from Latin ''serpens'', a crawling animal or snake. Snakes have been associated with some of the oldest rituals known to mankind and represent ...

.'' A snake-eating bird of prey appears in a

legend A legend is a genre of folklore that consists of a narrative featuring human actions, believed or perceived, both by teller and listeners, to have taken place in human history. Narratives in this genre may demonstrate human values, and possess ...

of the Mexican people, who gave rise to the

Aztec The Aztecs () were a Mesoamerican culture that flourished in central Mexico in the post-classic period from 1300 to 1521. The Aztec people included different ethnic groups of central Mexico, particularly those groups who spoke the Nahuatl ...

empire, and it is represented in the Mexican flag: The Mexicas, guided by their god Huitzilopochtli, sought a place where the bird landed on a

prickly pear cactus ''Opuntia'', commonly called prickly pear or pear cactus, is a genus of flowering plants in the cactus family Cactaceae. Prickly pears are also known as ''tuna'' (fruit), ''sabra'', ''nopal'' (paddle, plural ''nopales'') from the Nahuatl word f ...

, devouring a snake. They found the sign on an island in

Lake Texcoco Lake Texcoco ( es, Lago de Texcoco) was a natural lake within the "Anahuac" or Valley of Mexico. Lake Texcoco is best known as where the Aztecs built the city of Tenochtitlan, which was located on an island within the lake. After the Spanish con ...

, where they erected the city of

Tenochtitlan , ; es, Tenochtitlan also known as Mexico-Tenochtitlan, ; es, México-Tenochtitlan was a large Mexican in what is now the historic center of Mexico City. The exact date of the founding of the city is unclear. The date 13 March 1325 was ...

("Place of the Prickly Pear Cactus" – present-day

Mexico City Mexico City ( es, link=no, Ciudad de México, ; abbr.: CDMX; Nahuatl: ''Altepetl Mexico'') is the capital and largest city of Mexico, and the most populous city in North America. One of the world's alpha cities, it is located in the Valley of ...

) in 1325. (In the coat of arms of Mexico this bird is depicted as a

golden eagle The golden eagle (''Aquila chrysaetos'') is a bird of prey living in the Northern Hemisphere. It is the most widely distributed species of eagle. Like all eagles, it belongs to the family Accipitridae. They are one of the best-known birds ...

, though it is often said to be a

crested caracara The crested caracara (''Caracara plancus'') is a bird of prey in the family Falconidae. It is found from the southern United States through Central and South America to Tierra del Fuego. It was formerly placed in the genus ''Polyborus''. Descr ...

. It is also possible that the bird was a

laughing falcon The laughing falcon (''Herpetotheres cachinnans''), also called the snake hawk (erroneously, since it is not a hawk), is a medium-sized bird of prey in the falcon family (Falconidae), the only member of the genus ''Herpetotheres''. This Neotropi ...

or snake hawk, a bird of prey which feeds almost exclusively on snakes.) The golden eagle does actually eat snakes, but does not specialize in them.

Snakes Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more j ...

are the most common group of reptiles in the golden eagle's diet, making up about 2.9% of the remains from all studied golden eagle nests. The

Mayans The Maya peoples () are an ethnolinguistic group of indigenous peoples of Mesoamerica. The ancient Maya civilization was formed by members of this group, and today's Maya are generally descended from people who lived within that historical reg ...

also had the legend of ophiophagy in their

folklore Folklore is shared by a particular group of people; it encompasses the traditions common to that culture, subculture or group. This includes oral traditions such as Narrative, tales, legends, proverbs and jokes. They include material culture, r ...

and

mythology Myth is a folklore genre consisting of Narrative, narratives that play a fundamental role in a society, such as foundational tales or Origin myth, origin myths. Since "myth" is widely used to imply that a story is not Objectivity (philosophy), ...

. Guatemala may derive its name from the

Nahuatl Nahuatl (; ), Aztec, or Mexicano is a language or, by some definitions, a group of languages of the Uto-Aztecan language family. Varieties of Nahuatl are spoken by about Nahua peoples, most of whom live mainly in Central Mexico and have small ...

word ''coactlmoctl-lan'', meaning "land of the snake-eating bird."

Christian Christians () are people who follow or adhere to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. The words '' Christ'' and ''Christian'' derive from the Koine Greek title ''Christós'' (Χρ ...

scripture associates snakes with

evil Evil, in a general sense, is defined as the opposite or absence of good. It can be an extremely broad concept, although in everyday usage it is often more narrowly used to talk about profound wickedness and against common good. It is general ...

(see

serpent Serpent or The Serpent may refer to: * Snake, a carnivorous reptile of the suborder Serpentes Mythology and religion * Sea serpent, a monstrous ocean creature * Serpent (symbolism), the snake in religious rites and mythological contexts * Serp ...

) and considers anything that destroys them good. An example for this tradition is

Rudyard Kipling Joseph Rudyard Kipling ( ; 30 December 1865 – 18 January 1936)''The Times'', (London) 18 January 1936, p. 12. was an English novelist, short-story writer, poet, and journalist. He was born in British Raj, British India, which inspired much o ...

short story A short story is a piece of prose fiction that typically can be read in one sitting and focuses on a self-contained incident or series of linked incidents, with the intent of evoking a single effect or mood. The short story is one of the oldest t ...

Rikki-Tikki-Tavi "Rikki-Tikki-Tavi" is a short story in the 1894 anthology ''The Jungle Book'' by Rudyard Kipling about adventures of a valiant young Indian grey mongoose. It has often been anthologized and has been published several times as a short book. Book 5 ...

" (in ''

The Jungle Book ''The Jungle Book'' (1894) is a collection of stories by the English author Rudyard Kipling. Most of the characters are animals such as Shere Khan the tiger and Baloo the bear, though a principal character is the boy or "man-cub" Mowgli, w ...

''), in which Rikki-Tikki, a

, defends a human family against a pair of evil cobras. In Hindu and

Buddhist Buddhism ( , ), also known as Buddha Dharma and Dharmavinaya (), is an Indian religion or philosophical tradition based on teachings attributed to the Buddha. It originated in northern India as a -movement in the 5th century BCE, and ...

folklore,

Garuda Garuda (Sanskrit: ; Pāli: ; Vedic Sanskrit: गरुळ Garuḷa) is a Hindu demigod and divine creature mentioned in the Hindu, Buddhist and Jain faiths. He is primarily depicted as the mount (''vahana'') of the Hindu god Vishnu. Garuda i ...

, the mount of

Vishnu Vishnu ( ; , ), also known as Narayana and Hari, is one of the principal deities of Hinduism. He is the supreme being within Vaishnavism, one of the major traditions within contemporary Hinduism. Vishnu is known as "The Preserver" within ...

, is the enemy to the Nāgas, a race of intelligent serpent- or dragon-like beings, whom he hunts.

Practical use

In some regions, farmers keep ophiophagous animals as

pet A pet, or companion animal, is an animal kept primarily for a person's company or entertainment rather than as a working animal, livestock, or a laboratory animal. Popular pets are often considered to have attractive appearances, intelligence ...

s in order to keep their living environment clear of such snakes as cobras and pit vipers (including

rattlesnake Rattlesnakes are venomous snakes that form the genera '' Crotalus'' and '' Sistrurus'' of the subfamily Crotalinae (the pit vipers). All rattlesnakes are vipers. Rattlesnakes are predators that live in a wide array of habitats, hunting small ...

s and lanceheads) which annually claim a large number of deaths of domestic animals, such as

cattle Cattle (''Bos taurus'') are large, domesticated, cloven-hooved, herbivores. They are a prominent modern member of the subfamily Bovinae and the most widespread species of the genus '' Bos''. Adult females are referred to as cows and adult ...

, and bites on humans. An example is tamed

s in

India India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...

. In the 1930s a

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

ian plan to breed and release large numbers of mussuranas for the control of pit vipers was tried but did not work. The

Butantan Institute Instituto Butantan (in modern Portuguese, Instituto Butantã, ) is a Brazilian biologic research center located in Butantã, in the western part of the city of São Paulo, Brazil. Instituto Butantan is a public institution affiliated with the S ...

, in

São Paulo São Paulo (, ; Portuguese for 'Saint Paul') is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the Ga ...

, which specializes in the production of

antivenom Antivenom, also known as antivenin, venom antiserum, and antivenom immunoglobulin, is a specific treatment for envenomation. It is composed of antibodies and used to treat certain venomous bites and stings. Antivenoms are recommended only if ...

s, erected a statue of the mussurana ''

Clelia clelia ''Clelia clelia'', commonly known as the black mussurana or windward cribo, is a species of snake in the family Colubridae. The species is native to the New World. Etymology The subspecific name, ''groomei'', is in honor of Grenadian zoologist ...

'' as its symbol and a tribute to its usefulness in combating venomous snake bites.

Peafowl Peafowl is a common name for three bird species in the genera '' Pavo'' and '' Afropavo'' within the tribe Pavonini of the family Phasianidae, the pheasants and their allies. Male peafowl are referred to as peacocks, and female peafowl are re ...

have been kept for millennia due to their ophiophagous habit.

Immunity

Many ophiophagous animals seem to be immune to the

venom Venom or zootoxin is a type of toxin produced by an animal that is actively delivered through a wound by means of a bite, sting, or similar action. The toxin is delivered through a specially evolved ''venom apparatus'', such as fangs or a ...

of the usual

snakes Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more j ...

they prey and feed upon. The phenomenon was studied in the mussurana by the Brazilian scientist

Vital Brazil Vital Brazil Mineiro da Campanha, known as Vital Brazil (; April 28, 1865 – May 8, 1950), was a Brazilian physician, biomedical scientist and immunologist, known for the discovery of the polyvalent anti-ophidic serum used to treat bites of v ...

. They have

antihemorrhagic An antihemorrhagic (antihæmorrhagic) agent is a substance that promotes hemostasis (stops bleeding). It may also be known as a hemostatic (also spelled haemostatic) agent. Antihemorrhagic agents used in medicine have various mechanisms of action: ...

and antineurotoxic antibodies in their

blood Blood is a body fluid in the circulatory system of humans and other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells, and transports metabolic waste products away from those same cells. Blood in th ...

. The

Virginia opossum The Virginia opossum (''Didelphis virginiana''), also known as the North American opossum, is the only opossum living north of Mexico, its range extending south into Central America. It is the northernmost marsupial in the world. In the United S ...

(''Didelphis virginiana'') has been found to have the most resistance towards snake venom. This immunity is not acquired and has probably evolved as an adaptation to predation by venomous snakes in their

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

. In

's ''

'', the author correctly dismisses the idea of

s ingesting herbs to combat poison as old folklore. He attributes no special abilities to the animal other than superb agility and skill at avoiding being bitten. However, recent studies have shown that the mongoose's ability to resist snake venom is at least in part due to its modified nicotinic acetylcholine receptor (AcChoR) that does not bind with alpha-BTX, and

alpha-neurotoxin α-Neurotoxins are a group of neurotoxic peptides found in the venom of snakes in the families Elapidae and Hydrophiidae. They can cause paralysis, respiratory failure, and death. Members of the three-finger toxin protein family, they are a ...

References

External links

The Brahmani and the Mongoose

Laughing falcon (''Herpetotheres cachinnans'') in canopy with false coral snake (''Erythrolampus mimus'') prey
from Bio-Ditrl, Department of Biological Sciences,

University of Alberta The University of Alberta, also known as U of A or UAlberta, is a public research university located in Edmonton, Alberta, Canada. It was founded in 1908 by Alexander Cameron Rutherford,"A Gentleman of Strathcona – Alexander Cameron Ruth ...

, accessed July 27, 2006. *Photo series and description
Ophiophagous kingsnake
eating another snake.
YouTube video
of a

red-shouldered hawk The red-shouldered hawk (''Buteo lineatus'') is a medium-sized buteo. Its breeding range spans eastern North America and along the coast of California and northern to northeastern-central Mexico. It is a permanent resident throughout most of it ...

eating a snake.
ncbi.nlm.nih.gov
{{Feeding Snakes Trophic ecology Carnivory