Ключевые слова: black ferret, blackfooted ferret, carnivore, carnivorous mammals, chordates, domestic animal, endangered species, european polecat, family mustelidae, ferret, fur, fury, mammal, mustela, mustela putorius furo, pet, pets, polecat, predator, rodent, steppe polecat, stoat, vertebrate, weasel, wildlife,