A monkey’s height varies depending on the species, but generally speaking, adult monkeys range from around 10 to 60 inches tall. The smallest species of monkey, the pygmy marmoset, can only reach heights of around 6 inches, whereas the Zealandia and Baboon species can reach heights of up to about 36 inches. However, the tallest of the non-human primates is the Mandrill, which can reach heights of up to 60 inches.
