Many people confuse apes with monkeys, but they are quite different Though ape and monkey are often used interchangeably in the English language, they are not the same from a scientific point of view.  Apes and monkeys are primates that have evolved different physical and mental characteristics throughout time to respond to different needs and environments. For example, most monkeys have an easily visible tail, but no apes do, and while monkeys are physically built for a life in the trees, apes tend to be built for a life lived in the trees and on the ground. Apes are generally considered to be intelligent but only a few are genius www.saint-ape.com