What do dolphins talk about? One biologist is trying to listen in
The challenges of studying dolphins in their natural habitat are profound, involving unexpected behaviors and technical issues that often thwart the best-laid plans of researchers.
Video suggests capuchin monkeys kidnap' baby howler monkeys, scientists say
Capuchin monkeys displayed unexpected behavior by carrying howler monkey babies, indicating a form of 'kidnapping' previously unobserved in the animal kingdom.