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Harp seal with cub. Polar bears increasingly exchange ringed seal with harp seal and hooded seal in their diet and therefore become exposed to higher concentrations of contaminants. Photo: Rune Dietz, Aarhus University

You are here: AU » About Aarhus University » Science and Technology » Current affairs » News » Show Climate change: Polar bears change to diet with higher contaminant loads Over the past 30 years, polar bears have increasingly exchanged ringed seal with harp seal and hooded seal in their diet. This change exposes the polar bear to more contaminants, according to a recent international study. 2013.09.19 | Jens C. Pedersen Harp seal with cub. Polar bears increasingly exchange ringed seal with harp seal and hooded seal in their diet and therefore become exposed to higher concentrations of contaminants. Photo: Rune Dietz, Aarhus University. Polar bear with adult hooded seal, which make up an increasing share of their food. The hooded seal can weigh up to 300-400 kg, so it is a large prey for the approx. 500 kg heavy polar bear. Photo: Rune Dietz, Aarhus University
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