This past October, residents of Mount Vernon, a neighborhood in South Africa, heard a commotion and found two troops of vervet monkeys clashing outside a snack shop on their street.

In a Facebook post shared Jan. 29, Cleveland Metroparks Zoo announced a male saki monkey was born on Jan. 19.

Observations of Coiba’s tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the reason for this behavior? Vanessa Crooks Caught in the act! Capuchin monkeys ...

New photos show an adorable, rare ‘L’Hoest’ monkey born at Edinburgh Zoo. The baby arrived to parents Sheli and Jamal, after a five month gestation period. The infant is currently unnamed, but keepers ...