This is the jaw-dropping moment a leopard seal was snapped lunging for a fleeing penguin. The photograph, shot by Amos Nachoum, has won the top spot at this year’s edition of the World Nature ...

Some people don't like sharing their food—we all have a friend who gets cranky when you steal a chip from their plate. For wild animals, this makes sense, because any food shared is energy lost that ...

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 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 ...

The leopard seal (Hydrurga leptonyx) is one of Antarctica’s top predators. It kills penguins and smaller seals by biting them with sharp canine teeth and repeatedly smashing them against the ocean ...

LEOPARD SEALS resemble their terrestrial namesakes in two ways. They have polka-dot pelts. And they are powerful, generally solitary carnivores that are quite capable of killing a human being if they ...