Scientists have found surprising video evidence of what they call monkey kidnappings – and they’re trying to figure out why.

A rare cultural behavior spreads among young male capuchins and baby howlers, raising questions about animal traditions and ...

Monkeys kidnap babies of another species in weird 'fad' A new trend is catching on among bored young male capuchins: kidnapping baby howler monkeys, in what scientists say is the first time animals ...