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Date : 2006-06-01
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Polar Bear National Wildlife Federation ~ When the seal nears the surface the polar bear will bite or grab the seal and pull it onto land to feed They also eat walruses and whale carcasses Polar bears will search out bird eggs and other food sources but none of these are abundant enough to sustain the large body mass and dense populations of polar bears
Polar Bear Arctic ~ POLAR BEARS Ursus maritimus are the poster child for the impacts of climate change on species and justifiably so To date global warming has been most pronounced in the Arctic and this trend is projected to continue Polar bears have relatively high genetic diversity within the species and can disperse over very long distances
For Review Only ~ 87 polar bear maternal dens and denning habitat compared to elsewhere in northern Alaska 77 of 88 the 1002 Area has been designated as critical denning habitat Fish and Wildlife Service 89 2010 90 Because seismic surveys in Arctic regions occur in winter so that potential impacts to
Polar Bear Species WWF World Wildlife Fund ~ Polar bears spend over 50 of their time hunting for food A polar bear might catch only one or two out of ten seals it hunts depending on the time of year and other variables Their diet mainly consists of ringed and bearded seals because they need large amounts of fat to survive
Polar bears WWF ~ Polar bears are the planet’s biggest landbased carnivores – although they actually spend most of their lives around water and ice their Latin name means ‘sea bear’ So they’re at particular risk from global warming which is melting the Arctic sea ice they depend on
Polar bear status and population WWF Arctic ~ Today Today polar bears are among the few large carnivores that are still found in roughly their original habitat and rangeand in some places in roughly their natural numbers Although most of the worlds 19 populations have returned to healthy numbers there are differences between them
Polar Bear com ~ seals by the polar bear Can J Zool 63 10221036 12 Derocher A Stirling I 1992 The population dynamics of polar bears in western Hudson Bay In Wildlife 2001 Populations pp 1150–1159 Elsevier London 13 Rode K et al 2015 Can polar bears use terrestrial foods to offset lost icebased hunting opportunities Front Ecol
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