Ключевые слова: alone, animal, annoyed, ape, away, baby, bars, behind, black, brown, cage, captivity, captured, capuchin, chimpanzee, depression, despair, environment, environmental, exhibit, face, fence, funny, gorilla, hairy, hand, herbivore, hooded, iron, jail, locked, loneliness, mammal, metal, monkey, muzzle, natural, nature, primate, prison, sad, sadness, sentence, solitude, tame, term, trapped, wild, wildlife, zoo,