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White-furred animals are in danger of dying out because climate change is causing a fall in snow cover, leaving them exposed and vulnerable, a new study suggests. 一项新研究指出，白毛动物正面临灭绝的危险，因为气候变化导致冰雪覆盖范围减少，从而让白毛动物难以藏身、易受攻击。 Scientists in Poland have been following the worrying case of the white-coated weasel, which sheds its tawny covering in the winter for a milky coat allowing it to blend effortlessly into its icy environment. 波兰的科学家们一直在跟踪调查白鼬这种令人担忧的状况。白鼬在冬天会褪去黄褐色的皮毛，长出雪白皮毛，以便轻松地融入冰雪环境中。 | 
