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English: Map showing subpopulation of Polar Bears in the Arctic. This map was improved or created by the Wikigraphists of the Graphic Lab (en). You can propose images to clean up, improve, create or translate as well.
The use of spatial data from the IUCN Red List web site to produce species distribution maps is subject to the Attribution-Share Alike Creative Commons License. In short: you are free to distribute and modify the file as long as you attribute its authors and the IUCN Red List .
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The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed.The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb).
Tunnel through the polar bear exhibit. The 4-acre Arctic Ring of Life, opened in October 2001, is home to three polar bears and two southern sea otters. It is among the largest polar bear habitats in North American zoos. In 2003, the Zoo was awarded the AZA Significant Achievement Award for the Arctic Ring of Life. [30]
Map from the U.S. Geological Survey shows projected changes in polar bear habitat from 2001 to 2010 and 2041 to 2050. Red areas indicate loss of optimal polar bear habitat; blue areas indicate gain. Polar bear population sizes and trends are difficult to estimate accurately because they occupy remote home ranges and exist at low population ...
Analysis of fatty acid signatures found that ringed seals are the predominant prey species for polar bears. [7] While the ice lairs provide some protection, Arctic foxes are also a threat, as the foxes can enter the birth lairs and eat the pups. They will also eat the ringed seal remains leftover from the polar bear kills.