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Leopard Seals
NOVEMBER 2006
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Deep-sea Dining
Photograph by Paul Nicklen
The large female dives to eat her prey. Because leopard seals eat whatever is available, scientists track their diets to help gauge changes in the food web caused by global warming. The Antarctic Peninsula is one of the most rapidly warming places on Earth. By chemically analyzing a seal's whiskers, scientists can glean roughly three years of feeding patterns.
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