An adult polar bear with the remains of a cub. Scientists argue that climate change may be causing a spike in the rate of cannibalism among bears. Iain D. Williams/Reuters From The National Post:
The gory photos of male polar bears devouring cubs, dragging shredded carcasses around and creating a bloody mess on the white snow of Canada's North have caused a stir on the Internet and in reports that link the activity to climate change.
But cannibalism among the species is a natural occurrence, says one expert, disputing what is just the latest story to put the polar bear in the debate over man-made global warming.
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