By Brandon Keim
By the time today’s toddlers graduate from high school, the most common bat in North America may have vanished altogether from the eastern United States.
Researchers combined historical population trends with mortality counts in Myotis lucifugus colonies struck by White-Nose Syndrome, an extraordinarily virulent bat disease first identified in 2006. According to their models, M. lucifugus, better known as the little brown bat, has a 99 percent chance of vanishing from the east, soon.
“If mortality and spread continue the way it has in the past four years, that’s where we get the very distressing prediction of a high chance of regional extinction in 16 to 20 years,” said Winifred Frick, a Boston University bat researcher.
White-Nose Syndrome — shortened to WNS, and named after a fungus that grows on infected bats, which become weakened and die after waking too soon from hibernation — was first found in upstate New York. Since then it’s spread through caves as far south as Tennessee, and west as far as Oklahoma. In some caves, mortality is almost total. Caves where bats lived since the last Ice Age now stand silent.
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http://www.wired.com/wiredscience/2010/08/bat-extinction/