In the second population in East Greenland, 15 of 124 polar bears had similar injuries. What's more, two Greenland bears had blocks and balls of ice up to 1 foot (30cm) in diameter stuck to ...
The technique which uses DNA from traces of cells left behind by the bears has been described as game changing for polar bear research. It's less intrusive than other techniques and could help ...
To collect e-DNA from wild polar bears in northern Alaska, we sampled the upper layer of snow (~1 cm) from their footprints. The snow was thawed and filtered to capture DNA—in the form of epidermal ...
(B.J. Kirschhoffer/Polar Bear International/Submitted to The Weather ... "Snow [becomes] caught in the fur on a dog’s foot, melting slightly from body heat or being squeezed as the dog walks ...