As Goldsborough searched through the rest of her footage, she noticed the same adult monkey — a white-faced capuchin ...

The scientists nicknamed one capuchin kidnapper Joker because the scar at the side of its mouth reminded them of the "Batman" villain.

Capuchins are also known for developing odd social rituals across their range. Scientists studying mainland populations have ...

Over 15 months on Jicarón Island, researchers saw five capuchin juveniles abduct 11 endangered howler monkey infants — all for no clear purpose.

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 ...

A new trend is catching on among bored young male capuchins: kidnapping baby howler monkeys, in what scientists say is the ...

Plus, researchers could hear adult howler monkeys calling back and forth with the infants, who would sometimes try to crawl away. Camera footage showed one occasion when an adult howler came and tried ...

Male capuchin monkeys on a Panamanian island were documented carrying around infant howler monkeys for no clearly discernible reason.

This is the zoo’s second spider monkey rescue of the year. They are one of the world’s most trafficked animals ...