Snow monkeys do not always pick full shade in the heat. On humid days they choose shade, but on dry days they rest in ...

Researchers observed Japanese macaques, known for their dense fur, to understand their heat tolerance. When temperatures rose ...

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 ...