Ключевые слова: adult, africa, african, animal, anthropoid, ape, background, black, captivity, closeup, conservation, critically endangered, diurnal, endangered, fauna, forest, gorilla, greyscale, head, herbivore, herbivorous, isolated, mammal, mature, monochrome, nature, one, portrait, primate, safari, side, single, sitting, social, species, terrestrial, tropical, western gorilla, white, wild, wildlife, zoo, zoology,