2024年11月14日 · monkey, in general, any of nearly 200 species of tailed primate, with the exception of lemurs, tarsiers, and lorises.The presence of a tail (even if only a tiny nub), along with their narrow-chested bodies and other features of the skeleton, distinguishes monkeys from apes.Most monkeys have a short, relatively flat face without great prominence of the muzzle, although baboons and mandrills are ...