Venezuelan Red Howler (Alouatta seniculus). They inhabit rainforests and mountain forests of Central and South America. The loudest monkey. Morning roar of a red howler. Close-up.© ...

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 ...

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 ...

"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 ...

COMALCALCO, Mexico, May 20 (Reuters) - Threatened howler monkeys have been dropping dead from trees in Mexico's southeastern tropical forests in recent weeks amid a nationwide drought and heat waves ...

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 ...