White-tailed eagle known to prey on the critically endangered, native European mink ("Mustela lutreola") (perhaps due to its shier habits) which the American mink are known to have been outcompeting in some areas (but the European has mainly declined due to massive overhunting by humans as a furbearer). Kits of larger mammals such as Eurasian ("Castor fiber") and North American beavers ("Castor canadensis") (introduced) and of European badger ("Meles meles") have been found as prey. The most widely reported mammalian prey known (albeit usually as a supplemental prey species) in the non-native muskrat ("Ondatra zibethicus"), which averages about , and may be
Khosrov Forest State Reserve ("Meles meles"), gray wolf ("Canis lupus"), least weasel ("Mustela nivalis"), European hare ("Lepus europaeus"), wild boar ("Sus scrofa"), bezoar goat ("Capra aegagrus"). Persian leopard ("Panthera pardus ciscaucasica" = "P. p. saxicolor") is registered in the Red Data Book of Armenia as well as in the IUCN Red list. The leopard is known as a careful animal with good vision, hearing and sense of smell. It is more active especially at night and morning hours. The Eurasian lynx is the largest of the four lynx species, ranging in length from 80 to 130 cm and standing 60–75 cm (24–30 in) at