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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 ...
The largest living species of bear and the largest land carnivore, the polar bear is closely related to the brown bear. So much so, in fact, the two species can interbreed. They live in the Arctic ...
Footage shows the polar bears looking for food in the rubbish at a local dump. [1] Polar bears cannot subsist on a garbage-based diet because of a lack of enough protein and fat. [2] Local administrator Alexander Minayev said at least between 6 and 10 bears came into the settlement's territory. [5]
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.
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 ...
A single slice (68 g) of beef liver exceeds the tolerable upper intake level of vitamin A (6410 μg preformed vs. UL for preformed = 3000 μg). [4] 100 g cod liver contains 5 mg of vitamin A and 100 μg of vitamin D. [5] Liver contains large amounts of vitamin B 12, and this was one of the factors that led to the discovery of the vitamin. [6]
A rising bear population is posing a threat to people in an area in western North Macedonia, where bear break-ins are increasingly common. A dozen cases this year of bears attempting to break into ...