Wildlife of Russia bears and whales. In the taiga forests, species include squirrels, chipmunks, voles and lemmings. The carnivores are polecats, brown bear, lynx, wolves, foxes, wolverines and the sable. Elk, a large deer about in height up to the shoulder, are common in this habitat. Steppe animals include wild boar as well as 30 other mammal species. A small antelope species known a saiga antelope is also present but is under threat due to hunting. Animals species in the Caucasus region are tur (two species of mountain goat), bezoar (wild goat) endangered mouflon (mountain sheep), chamois (an antelope), Persian leopard, brown bear
Wild horse cranial and metacarpal differences, indicates the presence of only two subspecies in postglacial times, the tarpan and Przewalski's horse. At present, the domesticated and wild horses are considered a single species, with the valid scientific name for the horse species being "Equus ferus." The wild tarpan subspecies is "E. f. ferus", Przewalski's horse is "E. f. przewalskii", and the domesticated horse is "E. f. caballus". The rules for the scientific naming of animal species are determined in the International Code of Zoological Nomenclature, which stipulates that the oldest available valid scientific name is used to name the species. Previously, when