Leopard Seal

Photograph by Paul Nicklen

This Month in Photo of the Day: Animal Photos

Sinuous for its size—up to 12 feet (3.7 meters) and more than 1,000 pounds (450 kilograms)—the leopard seal is a formidable predator, its mouth often stained with the blood of penguins and other seals.

See more photographs from the December 2009 feature story "South Georgia."

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