Scientist Mary Yong Cong holds one of the Giant African Snails she keeps in her lab in Miami, on July 17, 2015 Kerry Sheridan/AFP via Getty Images hide caption
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George, the last known Achatinella apexfulva, a Hawaiian land snail, died on New Year's Day. David Sischo/Hawaii Department of Land and Natural Resources hide caption
Cooked Burgundy snails in garlic butter. These snails are a popular French delicacy. These days they are imported into France from other European countries. tirc83/Getty Images hide caption
Rare snail Jeremy (left) meets a potential mate named Lefty. Angus Davison hide caption
Indian runner ducks have been used in Asia for thousands of years to control pests. Now they're used in a South African vineyard to eat snails that damage the vines. Sarah Birnbaum for NPR hide caption
A sea butterfly at different stages of a wing beat. David Murphy/Journal of Experimental Biology hide caption
Giant African land snails, like this one found in Florida in 2011, eat almost any plant. Florida officials are determined to eradicate the invasive pest. Andrew Derksen/Florida Department of Agriculture/Reuters/Landov hide caption
A specimen of Platydemus manokwari collected in a greenhouse at Caen in Normandy. You can see its white pharynx protruding from the underside, ingesting soft tissues of a specimen of the Mediterranean snail. Pierre Gros/PeerJ hide caption