Ключевые слова: a natural selection, animal, background, bird, carcase, carnivore, cat, catch, claw, corpse, dead, death, deceased, domestic, feathered, feline, food, great, hungry, hunt, hunter, hunting, instinct, kill, killed, kitten, lie, life, lifeless, look, major, mammal, nature, paridae, passerine bird, pet, play, predator, prey, sacrifice, successful hunting, the cat caught a bird, tit, titmouse, tomtit, unalive, victim, white, wild, wildlife,