The Unlikely Tale of a Tenacious Snail

http://www.sciencefriday.com
For over 70 years, no one had seen the oblong rocksnail. Declared extinct in 2000, the species was considered to be another native Alabaman mollusk gone and forgotten. But one day in the spring of 2011, biology grad student Nathan Whelan picked up a tiny rock and got a big surprise.
Produced by Luke Groskin
Music by Audio Network
Additional Stills and Photos by Shutterstock, Thomas Tarpley, Alabama Department of Conservation and Natural Resources, Alabama Aquatic Biodiversity Center, Nathan Whelan, Boris Datnow, Alabama Power, Annals of Lyceum, Wild Side TV, Paul Johnson, Masood Lohar, Bermuda Conservation Services, Jefferson County Environmental Services