Ключевые слова: animals, apes, bellow, black, black ape, black macaque, canine, celebes, celebes crested macaque, celebes macaque, crested, crested black macaque, endemic, face, fangs, forest, funny, grin, growl, head, howl, indonesia, islands, jungle, life, macaca, macaca nigra, macaques, mammals, monkeys, mouth, muzzle, nature, no people, open, open mouth, portrait, primates, rain forest, rainforest, roar, roaring, smile, smirk, snarl, sulawesi, tangkoko national park, teeth, wild, wildlife,