Jen Guyton / Giant ground snail (Achatina sp.) at dusk in Gorongosa National Park, Mozambique.

Jen Guyton / Giant ground snail (Achatina sp.) at dusk in Gorongosa National Park, Mozambique.

Jen Guyton / Giant ground snail (Achatina sp.) at dusk in Gorongosa National Park, Mozambique.

Cyril Ruoso / Giant African land snail (Achatina sp) on twig, South East Cameroon, July 2008.

Cyril Ruoso / Baka child holding a Giant African land snail (Achatina sp) South East Cameroon, July 2008.

Cyril Ruoso / Giant African Land Snail (Achatina fulica), southern Madagascar

Mark Carwardine / Giant African land snail (Achatina sp) close up of eye stalks, captive, from tropical forests East africa

Vincent Grafhorst / Giant African Land Snail (Achatina fulica), Kirindy Forest, Madagascar

Vincent Grafhorst / Giant African Land Snail (Achatina fulica), Kirindy Forest, Madagascar

Piotr Naskrecki / Giant African Land Snail (Achatina sp) group on platter, Atewa Range, Ghana

Ashok Jain / African snail (Achatina sp.) laying eggs. North Delhi ridge, India

Ashok Jain / African snail. India (Achatina sp) From a snail garden discovered on the New Delhi Ridge