Extinction in Reverse

It's been a good week for extinct species. First a woodpecker long thought to be extinct was found to be very much alive. Now it's three species of snail.

BIRMINGHAM, Ala. - Three snails listed as extinct have been rediscovered in the Coosa and Cahaba rivers, the Nature Conservancy announced Tuesday.

Jeff Garner, the Alabama Department of Conservation and Natural Resources' mollusk biologist, rediscovered the cobble elimia and the nodulose Coosa River snail on a dive in the Coosa River.

Stephanie Clark, a University of Alabama postdoctoral student from Australia, stumbled onto a Cahaba pebblesnail on a trip to the Cahaba River in Bibb County.

Read the whole thing here.

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