Little mammal does what it must to survive winter


The Qinghai-Tibetan Plateau pika, a small mammal resembling a rabbit, doesn't hibernate during the winter like its North American counterpart, but instead slows its metabolism to continue foraging, sometimes eating such unusual fare as yak feces to survive, according to findings published in Proceedings of the National Academy of Sciences. Researchers monitored the pikas' activity and found that the animals lower their energy expenditure by nearly 30%, while cameras captured them dining on the yak excrement.

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