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Wikipedia: The polar bear (Ursus maritimus) is a bear native largely within the Arctic circle encompassing the Arctic Ocean, its surrounding seas and surrounding land masses. It is the world's largest land carnivore and also the largest bear, together with the omnivorous Kodiak bear, which is approximately the same size. An adult male weighs around 350–680 kg (770–1,500 lb), while an adult female is about half that size.
![[A female emerging from her maternity den]](http://upload.wikimedia.org/wikipedia/commons/b/b3/Sea_ice_pb_den.jpg "A female emerging from her maternity den")
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![[Cubs are born helpless, and typically nurse for two and a half years.]](http://images.ookaboo.com/photo/s/Ursus_maritimus_us_fish_s.jpg "Cubs are born helpless, and typically nurse for two and a half years.")
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 from Clayoquot |
from Petrusbarbygere |
![[Polar bear males frequently play]](http://images.ookaboo.com/photo/s/Polar_Bears_Play_fight_s.jpg "Polar bear males frequently play")
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![[Mothers and cubs have high nutritional requirements, which are not met if the seal]](http://images.ookaboo.com/photo/s/Ursus_maritimus_Polar_bear_with_cub_2_s.jpg "Mothers and cubs have high nutritional requirements, which are not met if the seal")
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 from Mbz1 |
from Clayoquot |
![[Polar bear swimming underwater at San Diego Zoo, USA]](http://images.ookaboo.com/photo/s/Ursus_maritimus_San_Diego_Zoo_2C_California_2C_USA_swimming_8a_s.jpg "Polar bear swimming underwater at San Diego Zoo, USA")
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![[A road sign on Svalbard, warning about the presence of polar bears.]](http://images.ookaboo.com/photo/s/Polar_Bear_Warning_Longyearbyen_s.jpg "A road sign on Svalbard, warning about the presence of polar bears.")
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from Uspn |
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![[German stamp depicting the one]](http://images.ookaboo.com/photo/s/Knut_Briefmarke_2008_s.jpg "German stamp depicting the one")
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![[They are sometimes used for recreational hunting of polar bears in Canada]](http://images.ookaboo.com/photo/s/Dogsledquebec_s.jpg "They are sometimes used for recreational hunting of polar bears in Canada")
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from NobbiP |
from Chensiyuan |
![[The long muzzle and neck of the polar bear help it to search in deep holes for seals, while powerful hindquarters...]](http://images.ookaboo.com/photo/s/Polarbear_spitzbergen_1_s.jpg "The long muzzle and neck of the polar bear help it to search in deep holes for seals, while powerful hindquarters...")
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![[Polar bear at Central Park Zoo, New York City, USA]](http://images.ookaboo.com/photo/s/Polar_Bear_at_Central_Park_Zoo_2C_Manhattan_s.jpg "Polar bear at Central Park Zoo, New York City, USA")
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from Polarbear |
from Ahodges7 |
![[Skins of hunted polar bears in Ittoqqortoormiit, Greenland]](http://images.ookaboo.com/photo/s/Greenland_polarbear_skin_hg_s.jpg "Skins of hunted polar bears in Ittoqqortoormiit, Greenland")
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![[[http://en]](http://images.ookaboo.com/photo/s/Nursing_Ursus_maritimus_s.jpg "[http://en")
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from Hgrobe |
from Mila Zinkova |
![[Canada issued Polar Bear stamp.]](http://upload.wikimedia.org/wikipedia/en/9/91/Pbear.jpg "Canada issued Polar Bear stamp.")
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![[Polar bears depend on sea ice as a platform for hunting seals]](http://images.ookaboo.com/photo/s/Polarbearonice_s.jpg "Polar bears depend on sea ice as a platform for hunting seals")
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from Llb9977 |
from Clayoquot |
![[Polar bear diving in a zoo]](http://images.ookaboo.com/photo/s/Swimming_Polar_Bear_2_s.jpg "Polar bear diving in a zoo")
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![[Polar bears have evolved unique features for Arctic life, including furred feet that have good traction on ice]](http://images.ookaboo.com/photo/s/Polar_Bear_ANWR_1_s.jpg "Polar bears have evolved unique features for Arctic life, including furred feet that have good traction on ice")
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from Ltshears |
from Aconcagua |
![[Polar bear skeleton]](http://images.ookaboo.com/photo/s/Polarskeleton_s.jpg "Polar bear skeleton")
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![[A polar bear in a synthetic arctic zoo environment.]](http://images.ookaboo.com/photo/s/Polarbearzoo_s.jpg "A polar bear in a synthetic arctic zoo environment.")
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from Mariomassone |
from Ytiugibma |
![[Polar Bear (Sow), Arctic National Wildlife Refuge, Alaska]](http://images.ookaboo.com/photo/s/Polar_Bear_ANWR_10_s.jpg "Polar Bear (Sow), Arctic National Wildlife Refuge, Alaska")
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from Aconcagua |
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