Adult penguins do have a few predators on land, but the major threat is in the water. Penguins must dive to search for food where predators are often lying in wait. The fur seal will chase some species of penguin until they are too tired to swim and in some areas, sharks will also feed on the birds. Even killer whales, despite their massive size, will capture penguins.
However, the most prolific penguin predator is the leopard seal. These large mammals inhabit the waters surrounding Antarctica and hunt beneath the pack ice. As the penguins enter the water, the seals grab the creatures by the feet, pulling them to the surface in a brutal attack.
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