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The polar bear was given its common name by Thomas Pennant in A Synopsis of Quadrupeds (1771). It was known as the "white bear" in Europe between the 13th and 18th centuries, as well as "ice bear", "sea bear" and "Greenland bear". The Norse referred to it as isbjørn ' ice bear ' and hvitebjørn ' white bear '. The bear is called nanook by the ...
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 hunts on the sea ice of Hudson Bay in Manitoba, Canada. New research has found the bears’ fur is the secret to why that ice does not attach to their fur (© Jenny E. Ross)
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 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.
Baculum of a dog's penis; the arrow shows the urethral sulcus, which is the groove in which the urethra lies. Fossil baculum of a bear from the Miocene. The baculum (pl.: bacula), also known as the penis bone, penile bone, os penis, os genitale, [1] or os priapi, [2] is a bone in the penis of many placental mammals.
Polar bears hunt primarily at the interface between ice, water, and air; they only rarely catch seals on land or in open water. [69] The polar bear's most common hunting method is still-hunting: [70] The bear locates a seal breathing hole using its sense of smell, and crouches nearby for a seal to appear. When the seal exhales, the bear smells ...
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 ...