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

Howler monkeys are relatively small primates known for their incredibly loud, low-frequency roars that sound as if they come from a much larger creature. This is useful in the animal kingdom because ...

The extreme heatwave in Mexico is not only affecting the environment, it's wreaking havoc on the howler monkeys and causing them to fall dead out of trees, the Associated Press reported. "They were ...

Here a white-faced capuchin monkey perches on a tree branch in Manuel Antonio National Park in Costa Rica. A group from the same genus has been observed with stolen howler monkey babies on a small ...

HATTIESBURG, Miss. (WDAM) - A lonely howler monkey at the Hattiesburg Zoo whose mate recently died isn’t lonely anymore. Seven-year-old Frankie, a black howler monkey, has a new friend. Her name is ...

Off the coast of Panama, on an island uninhabited by humans, a culture unlike any other has arisen. Now, the monkeys have taken their shenanigans a step further. They have been caught doing something ...

BRIDGEPORT — Zuele, billed as the oldest howler monkey in captivity, died earlier this week at age 32, according to an announcement from Connecticut’s Beardsley Zoo. The zoo said Zuele died Monday, ...