Members of the Great Ape family or Hominidae include chimpanzees, bonobos, orangutans, and gorillas. These magnificent creatures live life sans tails, have larger brain to body size ratio, higher levels of intelligence, and live longer lives overall. Chimpanzees, bonobos, and gorillas originate from Africa, while orangutans are from Southeast Asia.
Monkeys or Simians include gibbons and siamangs, both of which originate from Africa. They have various types of tails, have smaller brain to body size ratio, lower levels of intelligence, and live shorter lives than their Great Ape friends. Siamangs are often referred to as the largest of the gibbons within the monkey grouping.