A group of capuchin monkeys has evolved a terrifying new habit on a remote island off the coast of Panama: kidnapping young howler monkeys. What started as an anomaly, a single young man carrying an ...

Researchers have documented an unusual and alarming trend among white-faced capuchin monkeys on Jicarón Island, Panama. Young male capuchins have been observed abducting newborn howler monkeys ...

For her appearance on The Weirdest Thing I Learned This Week, Casey shared an excerpt of her book that challenges the narrow ...

In the June 25 issue of Psychology Today, Herzog updated a piece titled, “Are Humans the Only Animals That Keep Pets?” In it, ...

Cross‐genus adoption of a marmoset (Callithrix jacchus) by wild capuchin monkeys (Cebus libidinosus): Case report. American Journal of Primatology: Official Journal of the American Society of ...

Scientists have launched the first global database of animal culture, revealing how species learn, communicate, and pass down traditions.

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