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Evolutionary clock ticks for snowshoe hares facing climate change http://apocadocs.com/s.pl?1453474656
Snowshoe hares that camouflage themselves by changing their coats from brown in summer to white in winter face serious threats from climate change, and it's uncertain whether hare populations will be able to adapt in time, according to a North Carolina State University study.
Based on field research with radio-collared snowshoe hares in Montana, mismatched snowshoe hares suffer a 7 percent drop in their weekly survival rate when snow comes late or leaves early and white hares stand out to predators like "light bulbs" against their snowless backgrounds....
Camouflage mismatch has the potential to impact at least 14 species worldwide that change coat colors seasonally, Mills says. His team of researchers is expanding the coat color research to other species globally, including mountain hares, white-tailed jackrabbits, weasels and arctic foxes.
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[Read more stories about:
ecosystem interrelationships, climate impacts, sixth extinction]
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