The emperor penguin, dubbed Happy Feet, was released into the water from the New Zealand fisheries vessel Tangaroa near Campbell Island, about 700km south of New Zealand's South Island.

The world’s smallest penguins are participating in “hanky-panky” outside their partnerships, researchers said.

Away from home for the first time, Mumble meets a posse of decidedly un-Emperor-like penguins--the Adelie Amigos. Led by Ramon, the Adelies instantly embrace Mumble's cool dance moves and invite ...