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 ...

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 ...

Capuchin using a stick to probe the ground for food. Capuchin Culture Project in Scientific Reports (2024). DOI: 10.1038/s41598-024-61243-8 Capuchin monkeys are omnivores whose diet in the wild may ...