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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.
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 ...
An isolated group of polar bears living in southeast Greenland has surprised scientists with its ability to survive in a habitat with relatively little sea ice. Polar bears face existential threat ...
Due to climate change in the Arctic, this polar region is expected to become "profoundly different" by 2050. [1]: 2321 The speed of change is "among the highest in the world", [1]: 2321 with the rate of warming being 3-4 times faster than the global average. [2][3][4][5] This warming has already resulted in the profound Arctic sea ice decline ...
Fifteen years after polar bears were listed as threatened, a new study says researchers have overcome a roadblock in the Endangered Species Act that prevented the federal government from ...
August 14, 2024 at 3:35 AM. [Getty Images] Two polar bears killed a worker at a remote Arctic radar station in Canada's northern Nunavut territory, prompting an investigation into the rare fatal ...
Frozen Planet II is a 2022 British nature documentary series co-produced by the BBC and The Open University as a sequel to Frozen Planet, which was first broadcast in 2011. [1] The series is presented and narrated by Sir David Attenborough [2] with the music composed by Hans Zimmer, Adam Lukas and James Everingham, including a theme featuring ...
Sebnem Coskun/Anadolu via Getty Images. A pair of polar bears attacked and killed a worker at a remote government radar site in the Canadian Arctic, the facility's operator said, marking at least ...