资讯

shows a mother polar bear (Ursus maritimus) plodding through the Arctic island's frozen landscape and her three cubs emerging ...
A young polar bear on pack ice over deep waters in the Arctic Ocean, October 2009. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!
Polar bears are the planet’s biggest land-based carnivores – although they actually spend most of their lives around water and ice (their Latin name means ‘sea bear’). So they’re at particular risk ...
Polar bears are the planet’s biggest land-based carnivores – although they actually spend most of their lives around water and ice (their Latin name means ‘sea bear’). So they’re at particular risk ...
Neil Ever Osborne On the bay this fall morning, there’s a wind-carved rim of ice and a gathering of floes. One male polar bear, bony after a season without seal blubber, struggles along the ...
An international team of scientists unlocked the anti-icing secret of polar bear fur, a discovery that could revolutionize ...
The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...
YORK, Pa. — The York Polar Bears take the ice just like any other hockey team, but for those in the stands watching, it’s a moment some thought they may never see. Polar Bears Team Manager and ...