Arabian Wolf
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The Arabian wolf (''Canis lupus arabs'') is a subspecies of gray wolf native to the
Arabian Peninsula The Arabian Peninsula (, , or , , ) or Arabia, is a peninsula in West Asia, situated north-east of Africa on the Arabian plate. At , comparable in size to India, the Arabian Peninsula is the largest peninsula in the world. Geographically, the ...
—to the west of
Bahrain Bahrain, officially the Kingdom of Bahrain, is an island country in West Asia. Situated on the Persian Gulf, it comprises a small archipelago of 50 natural islands and an additional 33 artificial islands, centered on Bahrain Island, which mak ...
, as well as
Oman Oman, officially the Sultanate of Oman, is a country located on the southeastern coast of the Arabian Peninsula in West Asia and the Middle East. It shares land borders with Saudi Arabia, the United Arab Emirates, and Yemen. Oman’s coastline ...
, southern
Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in West Asia. Located in the centre of the Middle East, it covers the bulk of the Arabian Peninsula and has a land area of about , making it the List of Asian countries ...
, and
Yemen Yemen, officially the Republic of Yemen, is a country in West Asia. Located in South Arabia, southern Arabia, it borders Saudi Arabia to Saudi Arabia–Yemen border, the north, Oman to Oman–Yemen border, the northeast, the south-eastern part ...
. It is also found in
Israel Israel, officially the State of Israel, is a country in West Asia. It Borders of Israel, shares borders with Lebanon to the north, Syria to the north-east, Jordan to the east, Egypt to the south-west, and the Mediterranean Sea to the west. Isr ...
’s
Negev The Negev ( ; ) or Naqab (), is a desert and semidesert region of southern Israel. The region's largest city and administrative capital is Beersheba (pop. ), in the north. At its southern end is the Gulf of Aqaba and the resort town, resort city ...
and Arava Deserts,
Jordan Jordan, officially the Hashemite Kingdom of Jordan, is a country in the Southern Levant region of West Asia. Jordan is bordered by Syria to the north, Iraq to the east, Saudi Arabia to the south, and Israel and the occupied Palestinian ter ...
,
Palestine Palestine, officially the State of Palestine, is a country in West Asia. Recognized by International recognition of Palestine, 147 of the UN's 193 member states, it encompasses the Israeli-occupied West Bank, including East Jerusalem, and th ...
, and
Egypt Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...
's
Sinai Peninsula The Sinai Peninsula, or simply Sinai ( ; ; ; ), is a peninsula in Egypt, and the only part of the country located in Asia. It is between the Mediterranean Sea to the north and the Red Sea to the south, and is a land bridge between Asia and Afri ...
. It is the smallest gray wolf subspecies and a specialized
xerocole A xerocole (), is a general term referring to any animal that is adapted to live in a desert. The main challenges xerocoles must overcome are lack of water and excessive heat. To conserve water they avoid evaporation and concentrate excretions (i. ...
(arid-adapted) animal that normally lives in smaller familial packs. Arabian wolves are omnivorous and opportunistic eaters; they consume small to medium-sized prey, from insects, reptiles and birds to rodents and small
ungulate Ungulates ( ) are members of the diverse clade Euungulata ("true ungulates"), which primarily consists of large mammals with Hoof, hooves. Once part of the clade "Ungulata" along with the clade Paenungulata, "Ungulata" has since been determined ...
s, such as young
Nubian ibex The Nubian ibex (''Capra nubiana'') is a desert-dwelling goat species (Genus ''Capra (genus), Capra'') found in mountainous areas of North Africa, northern and Horn of Africa, northeast Africa, and the Middle East. It was historically considered ...
and several species of gazelle (
Arabian The Arabian Peninsula (, , or , , ) or Arabia, is a peninsula in West Asia, situated north-east of Africa on the Arabian plate. At , comparable in size to India, the Arabian Peninsula is the largest peninsula in the world. Geographically, the ...
, goitered,
Dorcas Dorcas (), or Tabitha (), was an early disciple (Christianity), disciple of Jesus mentioned in the Acts of the Apostles (, see discussion Acts 9#The healing of Tabitha (9:36–43), here). She lived in the port city of Jaffa, Joppa, today absorb ...
, and mountain gazelles).


Taxonomy

Once thought to be synonymous with ''C. l. pallipes'' (the Indian wolf), the Arabian wolf was designated ''Canis lupus arabs'' by the British zoologist
Reginald Innes Pocock Reginald Innes Pocock, (4 March 1863 – 9 August 1947) was a British zoologist. Pocock was born in Clifton, Bristol, the fourth son of Rev. Nicholas Pocock and Edith Prichard. He began showing interest in natural history at St. Edward's ...
in 1934. Pocock noted its smaller skull and smaller size. In the third edition of ''
Mammal Species of the World ''Mammal Species of the World: A Taxonomic and Geographic Reference'' is a standard reference work in mammalogy giving descriptions and Bibliographic database, bibliographic data for the known species of mammals. It is now in its third edition, ...
'' published in 2005, the mammalogist W. Christopher Wozencraft listed under the wolf ''Canis lupus'' the subspecies ''Canis lupus arabs''. A 2014 study suggests that genetically the Arabian wolf is closer to ''C. l. lupus'' than it is to ''C. l. pallipes'' and supports the subspecies designation ''C. l. arabs''. There has been admixture with domestic
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, but it is unclear whether this is why this wolf is genetically closer to ''C. l. lupus''. This raises a concern of extinction by hybridization as Arabian wolves are more adapted to desert life than wolf/dog hybrids. In Israel and Palestine, there is some disagreement as to the exact taxonomic status of wolves. Some scientists hold that two subspecies of wolf are present: ''C. l. pallipes'' in the northern parts and ''C. l. arabs'' in the south. They point out that the southern wolves are smaller than the northern wolves, which are also darker and have longer fur. Other scientists consider the wolf in the area to be ''C. l. arabs'', with no real distinction between northern and southern wolves. As in other countries, there is interbreeding with feral dogs, which adds an element of uncertainty.


Admixture with other ''Canis'' species

In 2018,
whole genome sequencing Whole genome sequencing (WGS), also known as full genome sequencing or just genome sequencing, is the process of determining the entirety of the DNA sequence of an organism's genome at a single time. This entails sequencing all of an organism's ...
was used to compare members of the genus ''Canis''. The study found evidence of gene flow between African golden wolves, golden jackals, and grey
wolves The wolf (''Canis lupus''; : wolves), also known as the grey wolf or gray wolf, is a canine native to Eurasia and North America. More than thirty subspecies of ''Canis lupus'' have been recognized, including the dog and dingo, though gr ...
(from Saudi Arabia and Syria). One African golden wolf from the Egyptian
Sinai Peninsula The Sinai Peninsula, or simply Sinai ( ; ; ; ), is a peninsula in Egypt, and the only part of the country located in Asia. It is between the Mediterranean Sea to the north and the Red Sea to the south, and is a land bridge between Asia and Afri ...
showed high admixture with the Middle Eastern grey wolves and dogs, highlighting the role of the land bridge between the African and Eurasian continents in canid evolution. The African golden wolf was found to be the descendant of a genetically admixed canid of 72% grey
wolf The wolf (''Canis lupus''; : wolves), also known as the grey wolf or gray wolf, is a Canis, canine native to Eurasia and North America. More than thirty subspecies of Canis lupus, subspecies of ''Canis lupus'' have been recognized, includin ...
and 28% Ethiopian wolf ancestry.


Description

The Arabian wolf is one of the smallest subspecies of wolf. It stands on average at shoulder height and the adult weighs an average of . The cranial length of the adult Arabian wolf measures on average , which is smaller than most wolves. Along with the Indian wolf, it is probably smaller than other wolves to help it adapt to life in a hot, dry climate. This is an example of Bergmann's rule, where mammal size varies by the warmth of their environment. Its ears are proportionally larger in relation to its body size when compared to other sub-species of ''Canis lupus'', an adaptation probably developed to help disperse body heat ( Allen's Rule). They have a short thin coat which is usually a grayish beige color, "... a mixture of black and slightly buffy grey" according to Pocock. Melanistic (dark) Arabian wolves have been recorded in Saudi Arabia's western highlands. Similar to other canines, the Arabian wolf does not have sweat glands and so it must control its body temperature by rapid panting, which causes evaporation from the lungs. Occasionally the pads of the third and fourth toes are fused in the back; a feature which differentiates its tracks from a dog's. It is distinguished from the Indian wolf by its smaller skull, smaller size and thinner coat.


Behavior and Ecology


Behavior

Arabian wolves do not usually live in large packs, and instead hunt in pairs or in groups of about three or four animals.Hefner, R.; Geffen, E. (1999). "Group Size and Home Range of the Arabian Wolf (Canis lupus) in Southern Israel". Journal of Mammalogy. 80 (2): 611–619. ISSN 1545-1542. doi:10.2307/1383305. They are most frequently active around water sources at sunrise and mid-afternoon. However, they more commonly travel at night. Due to food availability, Arabian wolves often associate with human settlements.


Diet

Arabian wolves are mainly carnivorous, but also omnivorous and in some areas largely dependent on human garbage and excess products. Their native prey includes
ungulates Ungulates ( ) are members of the diverse clade Euungulata ("true ungulates"), which primarily consists of large mammals with hooves. Once part of the clade "Ungulata" along with the clade Paenungulata, "Ungulata" has since been determined to b ...
such as
Nubian ibex The Nubian ibex (''Capra nubiana'') is a desert-dwelling goat species (Genus ''Capra (genus), Capra'') found in mountainous areas of North Africa, northern and Horn of Africa, northeast Africa, and the Middle East. It was historically considered ...
(''Capra nubiana''),
gazelle A gazelle is one of many antelope species in the genus ''Gazella'' . There are also seven species included in two further genera; '' Eudorcas'' and '' Nanger'', which were formerly considered subgenera of ''Gazella''. A third former subgenus, ' ...
s (Genus ''Gazella''), and Asiatic wild ass (''Equus hemionus onager''), as well as smaller animals like hares, rodents, small birds, and reptiles. They also eat cats, sweet fruits,
roadkill Roadkill is a wild animal that has been killed by collision with motor vehicles. Wildlife-vehicle collisions (WVC) have increasingly been the topic of academic research to understand the causes, and how they can be mitigated. History Essenti ...
and other
carrion Carrion (), also known as a carcass, is the decaying flesh of dead animals. Overview Carrion is an important food source for large carnivores and omnivores in most ecosystems. Examples of carrion-eaters (or scavengers) include crows, vultures ...
. PG. 186 Opportunistically, almost any small animal including fish, snails, baby baboons can be part of their diet. Because Arabian wolves can attack and eat any domestic animals up to the size of a goat, pastoral Bedouins and other farmers will often shoot, poison, or trap them.


Other wildlife interactions

There is at least one case in
Israel Israel, officially the State of Israel, is a country in West Asia. It Borders of Israel, shares borders with Lebanon to the north, Syria to the north-east, Jordan to the east, Egypt to the south-west, and the Mediterranean Sea to the west. Isr ...
of a
striped hyena The striped hyena (''Hyaena hyaena'') is a species of hyena native to North and East Africa, the Middle East, the Caucasus, Central Asia, and the Indian subcontinent. It is the only extant species in the genus ''Hyaena''. It is listed by the IU ...
(''Hyaena hyaena'') associating and cooperating with a wolf pack. It is proposed that this is a case of mutualism: the hyena could benefit from the wolves' superior ability to hunt large, agile prey. The wolves could benefit from the hyena's superior sense of smell, to locate and dig out tortoises, to crack open large bones, and to tear open discarded food containers like tin cans. As with other wolf subspecies, Arabian wolves can facilitate a trophic cascade by suppressing smaller carnivores such as
golden jackal The golden jackal (''Canis aureus''), also called the common jackal, is a wolf-like canid that is native to Eurasia. The golden jackal's coat varies in color from a pale creamy yellow in summer to a dark tawny beige in winter. It is smaller a ...
s (''Canis aureus'') and foxes (Genus ''Vulpes''). This allows smaller herbivores to become more abundant. Arabian wolves compete with other carnivores including the
caracal The caracal (''Caracal caracal'') () is a medium-sized Felidae, wild cat native to Africa, the Middle East, Central Asia, and arid areas of Pakistan and northwestern India. It is characterised by a robust build, long legs, a short face, long ...
(''Caracal caracal'') and Arabian leopard (''Panthera pardus nimr''). Historically they also competed with the Asiatic cheetah (''Acinonyx jubatus venaticus''), but this species is now extinct within the Arabian wolf's range.


Range and conservation

The Arabian wolf was once found throughout the Arabian Peninsula, but now lives only in small pockets in southern
Israel Israel, officially the State of Israel, is a country in West Asia. It Borders of Israel, shares borders with Lebanon to the north, Syria to the north-east, Jordan to the east, Egypt to the south-west, and the Mediterranean Sea to the west. Isr ...
,
Palestine Palestine, officially the State of Palestine, is a country in West Asia. Recognized by International recognition of Palestine, 147 of the UN's 193 member states, it encompasses the Israeli-occupied West Bank, including East Jerusalem, and th ...
,
Oman Oman, officially the Sultanate of Oman, is a country located on the southeastern coast of the Arabian Peninsula in West Asia and the Middle East. It shares land borders with Saudi Arabia, the United Arab Emirates, and Yemen. Oman’s coastline ...
,
Yemen Yemen, officially the Republic of Yemen, is a country in West Asia. Located in South Arabia, southern Arabia, it borders Saudi Arabia to Saudi Arabia–Yemen border, the north, Oman to Oman–Yemen border, the northeast, the south-eastern part ...
,
Jordan Jordan, officially the Hashemite Kingdom of Jordan, is a country in the Southern Levant region of West Asia. Jordan is bordered by Syria to the north, Iraq to the east, Saudi Arabia to the south, and Israel and the occupied Palestinian ter ...
,
Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in West Asia. Located in the centre of the Middle East, it covers the bulk of the Arabian Peninsula and has a land area of about , making it the List of Asian countries ...
, and some parts of the
Sinai Peninsula The Sinai Peninsula, or simply Sinai ( ; ; ; ), is a peninsula in Egypt, and the only part of the country located in Asia. It is between the Mediterranean Sea to the north and the Red Sea to the south, and is a land bridge between Asia and Afri ...
in
Egypt Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...
. It is rare throughout most of its range because of human persecution. There is connectivity between the wolf populations of Egypt, Israel, and Jordan as wolves often cross borders between these countries. In Oman, wolf populations have increased because of a ban on hunting, and they may naturally re-establish themselves in certain places within the region in the relatively near term. In Israel, between 100 and 150 Arabian wolves are found across the
Negev The Negev ( ; ) or Naqab (), is a desert and semidesert region of southern Israel. The region's largest city and administrative capital is Beersheba (pop. ), in the north. At its southern end is the Gulf of Aqaba and the resort town, resort city ...
and the Arava. The population is stable, as prey is abundant and much of the land is undeveloped and protected as nature reserves. They find additional food and water in agricultural areas near human settlements. They are strongly protected under Israel's 1955 Wildlife Protection
Law Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior, with its precise definition a matter of longstanding debate. It has been variously described as a science and as the ar ...
. The
United Arab Emirates The United Arab Emirates (UAE), or simply the Emirates, is a country in West Asia, in the Middle East, at the eastern end of the Arabian Peninsula. It is a Federal monarchy, federal elective monarchy made up of Emirates of the United Arab E ...
and Egypt maintain captive breeding programs. The wolf is protected in Oman and Israel. Certain areas within Saudi Arabia offer protected status, and the Arabian wolf still exists in places with sparse human activity.


References


Sources

* {{Authority control Mammals of the Arabian Peninsula Carnivorans of Asia Vertebrates of Israel Vertebrates of Palestine Wolves Subspecies of Canis lupus Mammals described in 1934 Fauna of Palestine (region)