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(The Washington Post/Getty)
Parents will do almost anything for their young. Bird parents are no exception, and many go to great lengths to build the perfect nest for their chicks. Many birds take this duty to a new level by plucking hair off of living animals in order to fill their nests, an analysis of YouTube videos shows.
Full Story: LiveScience (8/4)
Polar bears bash walrus skulls with boulders and ice blocks, study suggests
(Alberto Ghizzi Panizza/Science Photo Library)
Picture a polar bear stalking an unsuspecting walrus in the frozen Arctic: The predator slowly inches closer, camouflaged by ice and snow, until it's close enough to pounce. And then it delivers the killing blow — by bopping the walrus on the head with a large rock.
That might sound like something you'd see in a cartoon, rather than in nature. But for centuries, Inuit people in the Arctic have shared such stories with non-Native explorers and naturalists, describing polar bears killing or stunning prey with stones and chunks of ice that the bears grasp in their paws (or throw off cliffs onto animals at the bottom, according to a memorable 19th-century engraving).
Full Story: LiveScience (8/4)
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