Returning partula snails back to the wild is a step towards restoring some ecological balance on Tahiti and Moorea.
Thousands of snails reintroduced to Pacific islands
Polynesian snails release is biggest ever of 'extinct in the wild' species, Conservation
Olympic Slugs - Olympic National Park (U.S. National Park Service)
Clea helena (assassin snail)
Wildlife Conservation: Hawaiian tree snails
Norfolk Island snail believed extinct since the 1990s rediscovered, boosting hopes - ABC News
Extinct' snails return to the wild
Precious escargot: the mission to return tiny snails to Pacific islands, Conservation
U.K. Researchers Return Extinct Snails to Pacific Islands
extinct Detroit Zoological Society Blog