While documenting leopard seals in Antarctica for a 2006 National Geographic magazine story, photographer Paul Nicklen had an experience that he says "will stay with me forever" (see Nicklen's photos) ...

Leopard seals in Antarctica often cling to the walls of icy fissures or lurk around the shorelines, waiting to grab a penguin roaming around. With only their nostrils emerging from the sea waters, the ...

An icy world is in meltdown, amid penguin population shifts An icy world is in meltdown, amid penguin population shifts Leopard Seals Are Bullies, Thieves, New Video Shows Leopard Seals Are Bullies, ...

Leopard seals are an abundant species of predator in Antarctica. These large, carnivorous sea mammals live in the water and around the ice of one of the most unfriendly and harshest environments on ...

Martin and Chris with their Penguin powers do a little swimming. Under the water the brothers watch Penguins hunt for fish. They talk about the Predators of the pengusin the Leopard seal and Orca, ...