Abigail Morris first visited the Peruvian Amazon when she was 6 years old. Now, as a Ph.D. candidate in the Animal Behavior ...

Deep in the forests of Mexico’s Yucatan Peninsula, a story of animal intelligence and social cooperation has unfolded over ...

Spider monkeys share food knowledge by changing groups, helping everyone find fruit faster in forests across seasons and landscapes.

Camera trap footage of a white-faced capuchin monkey from Isla Jicarón, Coiba National Park, Panama. Some groups of capuchins in the park have begun using stone tools, which may give insight into how ...

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 ...