Plus, researchers could hear adult howler monkeys calling back and forth with the infants, who would sometimes try to crawl ...

Scientists have found surprising video evidence of what they call monkey kidnappings – and they’re trying to figure out why.

A capuchin named Joker started the apparent trend, leading researchers to suspect "there was something a little quirky about ...

Observations of Coiba's tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the ...

The footage showed the capuchins walking and pounding their stone tools with baby howlers on their backs. But cameras did not ...

MORE: 3 climbers dead after falling off mountain while rappelling A baby spider monkey and two rattlesnakes were discovered at the home of a suspect who was busted for methamphetamine during a ...

In most or all cases, the baby howlers died, the researchers said. Infant howler monkeys would normally be ... have been observed carrying their own dead offspring, though scientists are unsure ...

And orcas have been seen wearing dead salmon on their heads ... monkey population hard, as these monkeys don't reproduce often and have only one baby at a time. One of the things the researchers ...