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Ussuri dhole | |
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A captive Ussuri dhole at Kolmårdens djurpark, Sweden. | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Carnivora |
Family: | Canidae |
Genus: | Cuon |
Species: | |
Subspecies: | C. a. alpinus |
Trinomial name | |
Cuon alpinus alpinus (Pallas, 1811) | |
Synonyms | |
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The Ussuri dhole [2] (Cuon alpinus alpinus), also known as the Eastern Asiatic dhole and the Chinese dhole, is the nominate subspecies of the dhole wild dog native to Asia. The Ussuri dhole subspecies is originally native to China and sections of Manchuria, the Amur River, the Korean Peninsula and Mongolia; however, it is presumed regionally extinct or extirpated in most of its historical range in the country, and likely found in fragmented populations in the Russian Far East. [3]
The Ussuri dhole is the largest subspecies of Cuon alpinus, and the most northerly in range, possessing a narrower skull and a bright-reddish coat with more pronounced white fur, extending from the lower jaw to the underbelly and inner legs, compared to other dholes. [2] Much like the Tian Shan dhole (C. a. hesperius), which also inhabits cooler, temperate and seasonally-frigid environments, the Ussuri dhole grows a notably thicker coat and "mane" during the colder seasons. By springtime, and into early summer, this hair is largely shed to reveal a coarser and leaner coat for the warmer months. By comparison, the dholes of South and Southeast Asia often have permanently shorter coats—likely due to their more tropical range—consisting of dark, brick- or maroon-red fur, with little to no white hair—such as on the Indian (C. a. dukhunensis) or the Sunda dhole (C. a. sumatrensis) subspecies, for example.[ citation needed ]
The Ussuri dhole lives in forests, plains, grasslands, savannahs, steppes and alpine tundra. It is the most widespread subspecies, ranging from South to Northeast Asia. It occurs in India, Nepal, China, Bangladesh, Myanmar and Thailand. It is believed to be extinct in Mongolia, Russia and Korea.[ citation needed ]
The Ussuri wild dogs feed on a variety of animals, such as the red, musk, roe and muntjac deer, wild sheep such as mouflon and argali, antelope such as goitered gazelle, chinkara, saiga, and chiru, Eurasian wild boar, grouse, pheasant, waterfowl, red junglefowl, peafowl and even the occasional red-crowned crane. They also learn hunting techniques as puppies, preying on small rodents, frogs, snakes or lizards. Injured or weak animals of numerous species will be prioritized as prey. On rare occasions, a group may attack unattended, vulnerable or juvenile equines such as kiang, onager or Mongolian wild horse, although these wild horses are generally highly protective of each other—especially of young horses—and aggressive towards predators.[ citation needed ]
Dholes are listed as an endangered species due to low densities. However, threats such as poaching, illegal hunting and the fur trade no longer pose significant threats to dholes. [4] The species is highly protected in many countries, such as in Cambodia. The dholes in certain regions are mostly threatened by lack of prey and habitat loss.[ citation needed ]
Within areas where their ranges overlap with other canids, dholes are also vulnerable to shared diseases and potentially aggressive (or deadly) confrontations with feral dogs, wolves and golden jackals. Ussuri dholes may also be targeted or threatened by fellow apex predators such as tigers, leopards, striped hyena, sloth bears, sun bears and, less frequently, by Asiatic lions (in India’s Gir Forest, Gujarat) and cheetahs (in Kuno National Park, Madhya Pradesh). [5] [6] [7] Large herbivores, including Asian elephants, Indian rhinoceros, gaur and banteng are also a potential danger, due to their massive sizes, quick tempers and natural disdain for any predatory animal, despite the fact that their young may be preyed upon by dholes occasionally.
The dhole is a canid native to Central, South, East and Southeast Asia. It is genetically close to species within the genus Canis, but distinct in several anatomical aspects: its skull is convex rather than concave in profile, it lacks a third lower molar and the upper molars possess only a single cusp as opposed to between two and four. During the Pleistocene, the dhole ranged throughout Asia, with its range also extending into Europe but became restricted to its historical range 12,000–18,000 years ago.
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