Ключевые слова: adult, africa, african, alone, animal, animal portrait, ape, behavioral science, black, captive, chimpanzee, closeup, cute, detail, eyes, face, funny, gorilla, gorilla head, grass, green, hairy, head, intelligence, isolated, look, lying, male, mammal, monkey, nature, park, pensive, portrait, powerful, primate, quiet, silverback, sitting, sitting position, species, staring, staring eyes, strong, thinking animal, thoughtful, walking, wild, wildlife, zoo,