Quick Take The “big truck, small man” phenomenon is also seen in the animal kingdom. The loudest howler monkeys were found to ...

Dunn’s team analyzed the biological “budget” of these primates and found a direct negative correlation: males with large ...

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 ...

If you liked this story, share it with other people. Following a deadly yellow fever outbreak in 2016, brown howler monkeys are slowly making a recovery through targeted vaccination and reintroduction ...