A close encounter with a polar bear in Arctic Svalbard
Taking a blood sample from a polar bear involves shooting it with a sedative dart from a helicopter, approaching cautiously, and performing delicate surgeries on the ice.
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.