Howler monkeys are known for their booming calls that can be heard for miles, but the science behind their roar is even more ...

A new study has found that the world's finest yodelers aren't from Austria or Switzerland, but the rainforests of Latin America. Published in the journal Philosophical Transactions of the Royal ...

On an island in Panama, a fad that one researcher called "viscerally disturbing" has recently taken off among a group of young male monkeys. These adolescents and juveniles have started to kidnap the ...

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 ...

In southern Mexico, the deep and raspy roars of howler monkeys reverberate through the lush jungles enveloping the city of Comalcalco. The sound — akin to the rumble of distant thunder or the grumble ...