Any use of trade, firm, or product names is for descriptive purposes only and does not reflect endorsement by the U.S. The authors declare no competing financial interests. Polar bear fur is made up of a layer of dense underfur and an outer layer of 'guard hairs', which appear white to tan but are actually translucent.The fur keeps them very warm. Adult males are typically 2.42.6 m in length and weigh 400600 kg adult females are about half the size (1.92.1 m, 200300 kg). On average, the polar bear is the largest of the eight living species of bears. Data reported in this paper are archived at. The polar bear ( Ursus maritimus) is a large carnivore with white fur and black skin. They are about seven to eight feet long, measured from the nose to the tip of their very. This research used resources of the Core Science Analytics and Synthesis Applied Research Computing program at the U.S. Polar bears are the largest carnivorous land mammals on Earth. Lyon for comments on previous drafts of the manuscript. We thank San Diego Zoo polar bear trainers T. Ross (Soloy Helicopters) for field support. Bakhtiari (Exeye) for developing the video collars used in this study. Funding for the resting metabolic study was also provided by a NSF Instrument Development for Biological Research grant 1255913-015 (to T.M.W.). Additional support was provided by Polar Bears International the North Pacific Research Board Washington State University World Wildlife Fund (Canada) San Diego Zoo Global SeaWorld and Busch Gardens Conservation Fund University of California, Santa Cruz and the International Association for Bear Research and Management. Polar Power stacks additively: if you complete three Polar Bear quests, your bees max energy will increase by 5 + 5 + 5 15, or to put it another way, it will be multiplied by 1.15. Geological Survey’s Changing Arctic Ecosystems Initiative.
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