Wildlife in the Grand Canyon is displaying unusual and unexpected behavior, leaving experts puzzled and raising serious ...

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

Off the coast of Panama, on an island uninhabited by humans, a culture unlike any other has arisen. On Jicarón Island, white-faced capuchin monkeys (Cebus capucinus imitator) rule, unmolested by ...

Young male capuchins have developed a strange trend of acquiring baby howler monkeys. It doesn't end well for the babies.

Cats are affectionate creatures, but they may have different ways of showing it than we're used to. An animal expert has now ...