If you lose your sight, you make up for it with other senses. If one arm is amputated, you learn to do twice as many things ...

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

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 ...

Howler infant number 5 on the back of a juvenile capuchin carrier, who is using stone tools at an anvil site in a stream bed. Usually, this behavior in females is described as adoption, thought to be ...

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 ...

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 ...