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U.S. Fish and Wildlife Service lists
eastern massasauga rattlesnake as threatened species
Sept. 29, 2016
The U.S. Fish and Wildlife Service has listed the eastern massasauga rattlesnake as a threatened species under the Endangered Species Act. The Service also determined that designating critical habitat for the eastern massasauga is not prudent.
Eastern massasaugas are currently found in scattered locations in Illinois, Indiana, Iowa, Michigan, New York, Ohio, Pennsylvania, Wisconsin and Ontario, Canada. The species, a candidate for listing since 1999, has been declining over the past few decades due to loss and fragmentation of its wetland habitat. Nearly 40 percent of the historical populations are now extirpated and an additional 15 percent are of uncertain status. Of those known remaining populations, most are experiencing ongoing threats, meaning additional population losses are anticipated in the future.
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