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Polar bear. 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). The species is sexually dimorphic, as ...
The key danger for polar bears posed by the effects of climate change is malnutrition or starvation due to habitat loss.Polar bears hunt seals from a platform of sea ice. Rising temperatures cause the sea ice to melt earlier in the year, driving the bears to shore before they have built sufficient fat reserves to survive the period of scarce food in the late summer and early fall.
From 1970 to 2007, Stirling was employed as a research scientist for the Canadian Wildlife Service. [4] His research focussed on polar bear biology and ecology, with his most notable work being a long-term study of polar bears in western Hudson Bay near Churchill, Manitoba.
Event. On 5 August 2011, a polar bear in the Norwegian archipelago of Svalbard attacked a party of thirteen university students, who were undertaking an expedition organised by the British Schools Exploring Society (BSES), and were camped near the Von Post glacier, 25 miles (40 km) from the settlement of Longyearbyen. [1] The bear was reported ...
The ulna is estimated to have been 48.5 cm (19 in) long when complete- for comparison, modern subadult polar bear ulnae are 36–43 cm (14–17 in) long. [1] The ulna was dated to the early Weichselian of the Late Pleistocene (~70kya). [2] Of the 16 specimens identified as Pleistocene polar bears, this is the only fossil ascribed to this ...
25 April 2018. (2018-04-25) (aged 27) Singapore Zoo. Parent (s) Nanook and Sheba. Inuka (Inuit for "foreboding strength" [1]) was a male polar bear and one of the mascots of the Singapore Zoo. Born and housed in a climate-controlled enclosure, he was the world's only "tropical polar bear". [2]
Binky (polar bear) Binky (1975 – July 20, 1995) was a captive male polar bear who lived at the Alaska Zoo in Anchorage. In separate incidents in 1994, Binky mauled two zoo visitors; these events received international news coverage. He was originally orphaned near Cape Beaufort, close to the Chukchi Sea in the Alaska North Slope, and was ...
Gus (bear) Gus (1985–August 27, 2013) was a 700-pound (320 kg) [1][2] polar bear and icon of the Central Park Zoo in New York City. [3] His exhibit was visited by over 20 million people during his lifetime. [3][4] He came to public notice in the 1990s, when he began swimming obsessively in his pool for up to 12 hours a day.