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RT @OceanEcologist: New model calculations are in: swimming is energetically costly for polar bears. Warmer climate... less Arctic sea ic…
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New model calculations are in: swimming is energetically costly for polar bears. Warmer climate... less Arctic sea ice... more swimming by polar bears... depleted energy reserves... not good news for bears! https://t.co/fi4QolI0yc
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at the same movement rate, the cost of transport for swimming was estimated to be ~5× that of walking. https://t.co/WPUs16wAui