Ключевые слова: africa, alone, animal, animals, baby, child, chimpanzee, common, endangered, fauna, great ape, great apes, hominidae, hominids, little, mammal, mammalia, mammals, natural, nature, one, one animal, only, pan, pan troglodytes, panini, primate, primates, robust chimpanzee, serious, species, think, thinker, thinking, thoughtful, wild life, wildlife, young, zoo,