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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.
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 ...
Polar bears are one of the most majestic, yet fearsome animals on the planet. The largest living species of bear and the largest land carnivore, the polar bear is closely related to the brown bear ...
The Western Hudson Bay polar bears are off the ice for a month longer than their parents and grandparents. That hurts their hunting and ability to have healthy cubs that make it to adulthood.
A polar bear. It has been projected in 2015 that many fish species will migrate towards the North and South poles as a result of climate change. Under the highest emission scenario RCP8.5, 2 new species would enter (invade) per 0.5° of latitude in the Arctic Ocean and 1.5 in the Southern Ocean. It woul also result in an average of 6.5 local ...
Except for the brown bear (Ursus arctos) and the American black bear (U. americanus), the other six of bear species are threatened according to the IUCN Red List, including: the giant panda (Ailuropoda melanoleuca) the polar bear (U. maritimus) the spectacled bear (Tremarctos ornatus) the Asiatic black bear (U. thibetanus) the sloth bear ...
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 ...
This treaty was brought about due to increased hunting of polar bears during the 1960s and 1970s which led to polar bears being under severe survival pressure from hunters. The agreement prohibits random, unregulated sport hunting of polar bears and outlaws hunting of polar bears from aircraft and icebreakers which have been the most ...