Dietary biology of the Eurasian eagle-owl own weight, and will kill the young of much larger species such as European otter ("Lutra lutra") and Eurasian badger ("Meles meles"). However, the single most widely reported carnivore is the red fox ("Vulpes vulpes"), as they’ve been recorded in the diet from Denmark and Spain to the Russian Far East. Many fox specimens taken by eagle-owls are young individuals or subadults. Some studies posited that the average fox taken as weighing about , about equal to the eagle-owl’s own weight, but another noted fox specimens killed that were estimated to weigh , much larger than the eagle-owls. At least
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