Researchers have documented an unusual and alarming trend among white-faced capuchin monkeys on Jicarón Island, Panama. Young ...

On an isolated island in Panama, white-faced capuchin monkeys have developed unprecedented behavior. A recent study reveals ...

Monkeys have been known to “adopt” abandoned infants of the same ... Instead, the capuchins toted around the baby howlers for days with few interactions — no play, minimal aggression and ...

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 ...

Usually, this behavior in females is described as adoption, thought to be in ... more aggression if they’re carrying the baby, because other monkeys will also want to have it,” she says ...

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

We could see, for instance, that it was not a case of adoption where these ... In most or all cases, the baby howlers died, the researchers said. Infant howler monkeys would normally be carried ...

A baby spider monkey is starting a new chapter at the Oakland Zoo after she was rescued by authorities during a methamphetamine bust in Solano County earlier this month. On May 6, Solano County ...

Although animals do sometimes adopt the young of other ... howler monkey population hard, as these monkeys don't reproduce often and have only one baby at a time. One of the things the researchers ...