Seeing his failure, we laughed like a monkey's butt.

The Monkey-eating Eagle, also known as the Philippine Eagle, is the national bird of the Philippines and is listed as an endangered species.

Capuchin monkeys are considered to be very intelligent.

Old World monkeys primarily inhabit Africa and Asia.

The black lemur lives in Madagascar.

The siamang resonates the forest with its distinctive voice.

New World monkeys live in South America.

I have seen a Taiwan monkey.

The lion-tailed macaque lives in the Western Ghats of India.

The lar gibbon, with its long arms, moves quickly from tree to tree.