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

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 traffic ...

Video footage shows male capuchin monkeys carrying at least 11 howler monkey babies between 2022 and 2023. The monkeys' motivations remain under investigation.

A gang of young white-faced capuchins, clever monkeys already known for inventing the use of stone tools, has taken to ...

The perplexing baby-snatchings, reported in the journal ... He says their cameras saw several dead howler monkey babies, and the rest surely died, too. BRENDAN BARRETT: They're infants.

And orcas have been seen wearing dead salmon on their heads ... Because the baby snatchings have got to be hitting the local howler monkey population hard, as these monkeys don't reproduce ...

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