VRINDAVAN, India – Krishna, a skinny 12-year-old, waits near a Hindu temple packed with pilgrims. He hears a yell – that's his cue. He zigzags between motorbikes and honking tuk-tuks, elbows his way ...

The “big truck, small man” phenomenon is also seen in the animal kingdom. The loudest howler monkeys were found to have the smallest packages. Hyoid bone size, which is responsible for vocalizations, ...

A researcher has found that the rapid detection of snakes by monkeys is because of the presence of snake scales as a visual cue. His findings highlight an evolutionary adaptation of primates to ...

In one Indian town, monkeys will steal your glasses — and give them back if you toss them a container of mango juice. It's one more sign of the... VRINDAVAN, India – Krishna, a skinny 12-year-old, ...

New World monkeys are mostly distinguished from their Old World counterparts – found in tropical Africa and Asia – by their flat noses, small to medium size, and tree-dwelling tendencies. How monkeys ...

Psychologists have spent decades demonstrating the amazing abilities of animals. We now know, from lab experiments, that chimps can use blue triangles to represent red apples, and that dolphins can ...

This monkey stole a pair of glasses (top left), tried them on — and returned them for a reward of mango juice. Spectacle-stealing, juice-loving monkeys are an issue in in Vrindavan, India. (Maya Levin ...