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Monday, November 23, 2009

Photo: Narwhal More at Risk From Warming Than Polar Bear?


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Narwhals rise above the icy waters of the Canadian Arctic to catch a breath in this undated photo.

The porpoises may be slightly more vulnerable to climate change than polar bears due to the animals' limited geographic range, specific migration routes, and specialized diet, a recent study reports.

Photograph by Paul Nicklen