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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).
On 16 April 2006, a polar bear of unusual appearance was shot by a sports hunter on Banks Island in the Northwest Territories. DNA testing released 11 May 2006, proved the kill was a grizzly×polar bear hybrid. This is thought to be the first recorded case of interbreeding in the wild. [7] The bear was proven to have a polar mother and a ...
Migration patterns of a mammal may sometimes govern breeding times. Mammal breeding in the wild sometimes involves the use of maternity dens for birthing and protection of the young. The polar bear is an example of a mammal who uses a maternity den, whose locations are influenced by migration movements of this species to the seasonal Arctic ...
A grizzly–polar-bear-hybrid (also named grolar bear, pizzly bear, zebra bear, [1] [2] grizzlar, or nanulak) is a rare ursid hybrid that has occurred both in captivity and in the wild. In 2006, the occurrence of this hybrid in nature was confirmed by testing the DNA of a unique-looking bear who had been shot near Sachs Harbour , Northwest ...
The report was unearthed only a century later, and published in Polar Record in June 2012. [ 53 ] [ 54 ] In early February 2004, The New York Times reported that Roy and Silo , a male pair of chinstrap penguins in the Central Park Zoo in New York City , had successfully hatched and fostered a female chick from a fertile egg they had been given ...
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Ursus is a genus in the family Ursidae that includes the widely distributed brown bear, [3] the polar bear, [4] the American black bear, and the Asian black bear. The name is derived from the Latin ursus, meaning bear. [5] [6]
The BBC/Discovery Channel production 'Great Bear Stakeout' aired in two parts on BBC One April 24 and 25, 2013 with Morgan as an ecologist and bear expert. [ 51 ] [ 52 ] [ 53 ] 'Great Bear Stakeout' documents the awakening of Alaskan grizzly bears from hibernation through their feeding on the salmon run utilizing specialized camera gear and ...