Hear the booming cries that gave the howler its name. Learn just what these vocal monkeys may be trying to say.

The red howler monkey in Assassin's Creed Black Flag Resynced is key to better hunting, sneaking, and fighting. Not that the monkeys will teach you anything, but you can use their pelts to craft the ...

Scientists have detected microplastics in the digestive systems of red howler monkeys living in protected areas in the Brazilian Amazon, marking the first evidence of plastic ingestion by a ...

"There has been a lot of habitat degradation, so there is more light penetration, higher temperatures, and water scarcity. Above all, there has been an increase in the number of fires that damage the ...

A heat wave in Mexico is so fierce that howler monkeys are dropping dead from trees. Though estimates run into the hundreds, at least 85 monkeys have died in the state of Tabasco as temperatures soar ...

MEXICO CITY (AP) — It’s so hot in Mexico that howler monkeys are falling dead from the trees. At least 138 of the midsize primates, who are known for their roaring vocal calls, were found dead in the ...

MEXICO CITY — It’s so hot in Mexico that howler monkeys are falling dead from the trees. At least 83 of the midsize primates, who are known for their roaring vocal calls, were found dead in the Gulf ...

Why are capuchin monkeys kidnapping howler monkey babies in Panama? We investigate this bizarre case of primate abduction with researchers working with the Smithsonian to get to the bottom of this ...

Thirteen million years ago, a medium-sized monkey known for guarding its territory among the treetops with a fearsome "howl" started doing something new. This monkey, one of the oldest known ancestors ...

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 ...