Howler monkeys have beards and long, thick hair which may be black, brown, or red. The red howler species is the most common, but it is often targeted by hunters eager for bushmeat.

In howler monkey species with deep and loud calls, males have small testicles. Naturally, they’re calling it the “calls and balls” paper.

A howler monkey infant, only a few days old, clings to a subadult white-faced capuchin monkey as it uses tools. Brendan Barrett / Max Planck Institute of Animal Behavior In June 2022, while ...

A howler monkey sits inside a cage with others at a veterinarian clinic after they were rescued amid extremely high temperatures in Tecolutilla, Tobasco state, Mexico, Tuesday, May 21, 2024.

A monkey, spotted roaming a quiet neighborhood of Minerva, Ohio, seems all set to start his new suburban life. The primate, who has been identified as a howler monkey, according to Columbus's WSYX ...

One side aligns with the forest floor, while the other is raised above the ground. ... Macaws and Howler Monkeys Are the ...

Capuchin monkeys don’t generally hang out with their neighbors, the howler monkeys, on Jicarón island off Panama. So the image of an infant howler monkey clinging to the back of a white-faced ...

Infant howler monkeys would normally be carried by their mothers while still nursing. All the babies in the video — from a few weeks to a few months in age — were too young to be weaned.

Costa Rica's howler monkeys have to learn to live alongside potentially deadly infrastructures as their natural habitat of trees is being supplemented by high-tension power cables amid increasing ...