Scientists say many North American bats are in trouble.
. The little brown bat is being evaluated for potential listing. White-nose syndrome is the primary killer for each of the species.
Among methods under development are vaccines, anti-fungal sprays and ultraviolet light treatments for hibernation spots. The report said the bats also are imperiled by forest fragmentation — logging and urban sprawl in Canada, wildfire suppression in the U.S. and livestock ranching in Mexico. Many bats live in older trees during summer.Climate change is expected to intensify the challenges, causing more extreme storms and temperature swings. The report said 82% of the continent's species are at risk from global warming's effects.
But those figures were based on 2021 calculations, said Frick, an associate research professor in ecology at the University of California at Santa Cruz in addition to her position with Bat Conservation International. So many turbines have been constructed since then that the latest estimate is 880,000 deaths.
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