Nick Upton / Garden snail (Cornu aspersum / Helix aspersa) crawling over an oak sleeper retaining a garden lawn with buildings and a greenhouse in the background, Wiltshire, UK, April.

Philippe Clement / Lined top shells (Phorcus lineatus) and Common european limpets (Patella vulgata) in a rock pool, Normandy, France, June.

Steve Downer / Juvenile Common frog (Rana temporaria) on back of a Common snail (Cornu aspersum), UK, June.

Steve Downer / Juvenile Common frog (Rana temporaria) on back of a Common snail (Cornu aspersum), UK, June.

Ammonite / Close up of a Common snail (Cornu aspersum) moving, with Woodlice (Oniscidea). Controlled conditions.

Nick Upton / 2020VISION / Common snail (Helix aspersa) crawling in lawn grass in front of the Royal Crescent, Bath, England, UK, April

Nick Upton / 2020VISION / Common snail (Helix aspersa) crawling over mossy wall in a garden with house in the background, Wiltshire, England, UK, April. 2020VISION Exhibition. 2020VISION Book Plate. . Property released.

Nick Upton / 2020VISION / Common snail (Helix aspersa) crawling over edge of a low retaining wall in a garden, with house in the background, Wiltshire, England, UK, April . Property released.

Gary K. Smith / Large group of Common garden snails (Helix aspersa) hibernating on Sycamore tree, Norfolk UK December

Stephen Dalton / Common snail (Helix aspera) feeding on seedling, UK

Stephen Dalton / Common garden snail (Helix aspersa) on brick wall, England, UK

Chris O'Reilly / Common snail {Helix aspersa} Adult on moss covered stone at night in rain, Garden, Autumn, Derbyshire, UK

Warwick Sloss / Common garden snail (Helix aspera) at night in garden. England, UK, Europe

Norbert Wu / Flamingo Tongue Snail (Cyphoma gibbosum) feeding on Common Sea Fan (Gorgonia ventalina) showing deep purple tone where the Sea Fan has released protective compounds, Saba, Caribbean

Robert Pickett / Garden Snail, (Helix aspersa), laying eggs in soil at night, Kent UK

Robert Pickett / Garden Snail, (Helix aspersa), on glass showing underneath and foot, pneumatophore, hole in mantle used for respiration, UK

Nick Upton / Garden snail (Cornu aspersum / Helix aspersa) crawling over an oak sleeper retaining a garden lawn, Wiltshire, UK, April.

David Hall / Northern basket stars (Gorgonocephalus eucnemis), branching and staghorn bryozoans, calcareous tubeworms, snails and barnacles, Baranof, Alaska, USA. August.

Paul Hobson / Close up of a European hedgehog (Erinaceus europaeus) sniffing a Garden snail (Helix aspersa), Peak District, UK. August.

Ernie Janes / Common whelk (Buccinum undatum) shells on Titchwell Beach, Norfolk, UK. October 2018.

Ernie Janes / Common whelk (Buccinum undatum), Razor clam and other mollusc shells on Titchwell Beach, Norfolk, UK. October 2018.

Guy Edwardes / Mass of Snails (Helix aspersa) hibernating in Beech Tree, Dorset, England, UK. December.

Robert Thompson / Dog whelk (Nucella lapillus) and Common barnacle (Semibalanus balanoides) on rock. Mill Quarter Bay, Killard Point National Nature Reserve, Strangford, County Down, Northern Ireland. February.

Robert Thompson / Painted top shell (Calliostoma zizyphinum) and Common barnacle (Semibalanus balanoides) on rock at edge of Strangford Lough. Mill Quarter Bay, Killard Point National Nature Reserve, Strangford, County...

Adrian Davies / Common / Garden snail (Helix aspersa), pair mating. Surrey, England, UK. May.

Robin Chittenden / Hooded crow (Corvus cornix) in flight with snail in bill, Romania. May.

Andres M. Dominguez / Frost covered Common hawthorn (Crategus monogyna) leaves, with Freshwater snail, Sierra de Grazalema Natural Park, southern Spain, December.

Laurie Campbell / Garden Snail (Helix aspersa) on rotten log in garden pond, Berwickshire, Scotland, June.

Georgette Douwma / Garden snail (Helix aspersa) seen from underneath, sliding over glass. UK.

Georgette Douwma / Garden snail (Helix aspersa) seen from underneath, sliding over glass. UK.

Georgette Douwma / Garden snail (Helix aspersa) seen from underneath, sliding over glass. UK.

SCOTLAND: The Big Picture / Common whelk (Buccinum undatum) on maerl (Corallinales) bed, a priority marine feature. Within a Marine Protected Area, Shetland, Scotland, UK, September.

SCOTLAND: The Big Picture / Common whelk (Buccinum undatum) laying eggs, Loch Creran, Argyll and Bute, Scotland, UK, November. Small repro only.

Laurent Geslin / Common snail (Helix aspersa) on a wall, Grenoble, France. May.

Laurent Geslin / Common snail (Helix aspersa) on a wall of a street, Grenoble, France.

Rod Williams / Garden Snails (Helix aspersa) mating pair, Brockley, Lewisham, London. May

Alex Hyde / Eggs of Common whelk (Buccinum undatum) on beach. Anglesey, Wales, UK. December.

Steve Downer / Close up of a Common snail (Helix aspersa) emerging from shell. Controlled conditions.

Steve Downer / Common snail (Helix aspersa) emerging from shell. Controlled conditions.

Georgette Douwma / Garden snail (Helix aspersa) baby on Marigold flower, UK.

Russell Cooper / Garden snail eggs (Helix aspersa) in soil, South-west London. UK, August.

Nick Upton / Common prawns (Palaemon serratus) scavenging on a damaged Flat top shell (Gibbula umbilicalis) in a rockpool, Cornwall, England, UK, September.

Nick Upton / Cushion star (Asterina gibbosa) moving in a rockpool near a Flat top shell (Gibbula umbilicalis) and a Common prawn (Palaemon serratus), Cornwall, England, UK, September.

Nick Upton / Mother and young boy holding garden snails (Helix aspersa) and Leopard /Great grey slugs (Limax maximus) in their hands, Bristol, garden UK, October 2014. Model released.

Willem Kolvoort / Common water crowfoot (Ranunculus aquatilis) with Great Pond Snail (Lymnaea stagnalis) in garden pond, Holland. May.

Sue Daly / Eggs of Common whelk (Buccinum undatum) on beach, Sark, British Channel Islands.

Sue Daly / Eggs of Common whelk (Buccinum undatum) on seaweed washed up on beach, Sark, British Channel Islands.

Sue Daly / Common whelk (Buccinum undatum) Bouley Bay, Jersey, British Channel Islands.