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Molting seals shed mercury along with fur

Toxic metal from hair adds to seawater contamination, study finds

A northern elephant seal shedding

MOLTING METAL   Northern elephant seals collect toxic mercury in their hair; shedding then boosts local pollution levels, a study finds.

Dr. James Harvey

By Beth Mole

- More than 2 years ago

After smoke stacks and industrial waste, researchers can add lounging seals to the list of mercury polluters.

Hair from Northern elephant seals (Mirounga angustirostris) is loaded with the toxic metal.