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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.
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 ...
Polar bears might be greasier than widely believed.. The bears’ greasy fur is the secret to the popular species’ survival in one of Earth’s most punishing climates. The grease, also known as ...
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 ...
The Polar Bear Family & Me is a three-part nature documentary series produced by the BBC Natural History Unit. It follows wildlife cameraman Gordon Buchanan as he spends a year with a family of wild polar bears, under the guidance of his biologist Jason Roberts, the polar expertise of the Antarctic region and Svalbard near Norwegian archipelago of the Arctic Ocean.
The polar bear, crying, bubble baths and pancakes act as distractions. The only logical response is that no, you cannot guess a cohesive riddle based on those clues.
The Polar Bear: Polar bear: 30 June 2011 Special: The Sperm Whale: Sperm whale: 7 August 2011 1: The Camel: Dromedary camel: 30 August 2011 2: The Dinosaur Bird: Southern cassowary: 6 September 2011 3: The Leatherback Turtle: Leatherback sea turtle: 13 September 2011 4: The Racehorse: Thoroughbred horse: 20 September 2011
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