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 ...

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 ...

If you've been around long enough, you probably remember the Plymouth Prowler. In essence, the Prowler was a modern take on a ...

Just after dawn, barbershop quartets of male howler monkeys echo over the canopy of Mexico’s forests. Jake Dunn remembers them well from his early fieldwork in Veracruz. “Most people who don’t know ...

A baby howler monkey clung to the back of an older male monkey, its tiny fingers grasping fur. But they’re not related and not even the same species. Scientists spotted surprising evidence of what ...

There exist a bevy of ways that an animal species can be driven to evolve, but one of the more controversial methods of evolution involves a process known to scientists as reinforcement, which is when ...

Take one piece of wire and cut it to around 12 inches (30.48 cm) long with the wire cutters. Find the center point and bend slightly to mark its place. Curve the wire by running it between your thumb ...

World of Joy, Howler’s sophomore set, arrives with hardly a fraction of America Give Up ’s hype. This time around, without all the focus on Howler’s extramusical hooks, it’s easier to hear a record ...

This photo provided by researchers shows a baby howler monkey clinging onto a young adult male capuchin monkey on Jicarón Island, Panama in September 2022. (Brendan Barrett/Max Planck Institute of ...