A white-faced capuchin monkey got very friendly with a US tourist visiting Honduras, climbing onto the Texas man’s head and even licking some sweat. Mary-Elizabeth Larson filmed the funny interaction ...

Add Yahoo as a preferred source to see more of our stories on Google. Primatologist Susan Perry of UCLA has spent much of the past 35 years studying the complex social lives of white-faced capuchin ...

A young male nicknamed Joker was probably the first to start carrying a howler monkey baby on his back for days on end. Then a group of other young males started to copy him. Here a white-faced ...

Anthropology professors and field primatologists have documented the daily life of hundreds of the large-brained capuchin monkeys in Guanacaste, Costa Rica. They have found that female capuchin ...