Celebes black ape at English => English (The Britannica Concise) Of Explained:
Stump-tailed, arboreal macaque (Cynopithecus niger) found on Sulawesi (Celebes), Bacan, and nearby islands. It has overhanging brows, a hairless black face, and a long, flat muzzle. It is 22-26 in. (55-65 cm) long, without the 0.4-0.8-in. (1-2-cm) tail, and has dark brown or black fur. The male, especially, bears a longitudinal crest of crown hair. It is diurnal, feeds on fruit, and lives in rain forests. Certain tribes look on it as their ancestor.