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Polar bears dying in years of early ice melt

Oldest and youngest bears in Canada?s Hudson Bay die off after warm springs.

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  1. Regehr, E. Journal of Wildlife Management 71, 2673?2683 (2007) doi: 10.2193/2006-180

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  3. Obbard, M.E. et al. Climate change research information note, no. 3. Ontario ministry of national resources.

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Brown, S. Polar bears dying in years of early ice melt. Nature (2007).

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