Stephen Dalton / Earthworm (Lumbricus terrestris) in burrow, exposed in sectioned topsoil, England, UK

Philippe Clement / Close up of Earthworm (Lumbricus terrestris) in grassland, Belgium. Captive.

Konrad Wothe / Common Earthworm (Lumbricus terrestris), Germany

Duncan Mcewan / Earthworm in soil, UK

Juan Manuel Borrero / Left to right: Earthworm (Lumbricus terrestris). Planktonic polychaete worm (Tomopteris), Mercierella polychaete tube worm (Ficopomatus enigmaticus), detail of Earthworm (Lumbricus terrestris) anterio...

Piotr Naskrecki / Common Earthworm (Lumbricus terrestris), Woburn, Massachusetts

Ernie Janes / Lapwing (Vanellus vanellus) feeding on Earthworm (Lumbricus terrestris) UK

David Woodfall / Child looking at Earthworm (Lumbricus terrestris) found in an allotment while digging for potatoes. UK. MRDELETE

David Woodfall / Child looking at Earthworm (Lumbricus terrestris) found in an allotment while digging for potatoes. UK. MRDELETE

David Woodfall / An Earthworm (Lumbricus terrestris) in the hand of a child, found in an allotment while digging for potatoes. UK. MRDELETE

David Woodfall / An Earthworm (Lumbricus terrestris) in the hand of a child, found in an allotment while digging for potatoes. UK. MRDELETE

Colin Varndell / Common earthworm (Lumbricus terrestris) in garden soil. Dorset, UK November

Stephen Dalton / Earthworm (Lumbricus terrestris) on worm cast on lawn, UK

Laurie Campbell / Common Earthworm (Lumbricus terrestris) exposed in section of earth, Berwickshire, Scotland, UK, April

Stephen Dalton / Earthworm {Lumbricus terrestris} found under a log, UK

David Tipling / Child holding Earthworm {Lumbricus terrestris} in garden, Norfolk, UK, model released

David Tipling / Child holding Earthworm {Lumbricus terrestris} in garden, Norfolk, UK, model released

Mark Bowler / Common earthworm (Lumbricus terrestris)

Mark Bowler / Common earthworm (Lumbricus terrestris)

Mark Bowler / Earthworm (Lumbricus terrestris)

Mark Bowler / Common earthworm (Lumbricus terrestris)

Mark Bowler / Common earthworm (Lumbricus terrestris)

Philippe Clement / Earthworm (Lumbricus terrestris) burrowing into the ground in grassland, Belgium. Captive.

Philippe Clement / Earthworm (Lumbricus terrestris) burrowing into the ground in grassland, Belgium. Captive.

Philippe Clement / Earthworm (Lumbricus terrestris) on soil, Belgium.

Philippe Clement / Earthworm (Lumbricus terrestris) burrowing into the ground in grassland, Belgium. Captive.

Wild Wonders of Europe / Lundgren / Earthworm (Lumbricus terrestris) in the River Orkla, Norway, Orkla River, Norway, September 2008

Ingo Arndt / Common Earthworm (Lumbricus terrestris), Germany

Ingo Arndt / Common Earthworm (Lumbricus terrestris), Germany

MYN / Niall Benvie / Earthworm {Lumbricus terrestris}, Angus, Scotland, UK meetyourneighbours.net project

Niall Benvie / Earthworm {Lumbricus terrestris}, Angus, Scotland, UK meetyourneighbours.net project

Niall Benvie / Earthworm {Lumbricus terrestris}, Angus, Scotland, UK meetyourneighbours.net project

MYN / Niall Benvie / Earthworm {Lumbricus terrestris}, Angus, Scotland, UK meetyourneighbours.net project

Niall Benvie / Earthworm {Lumbricus terrestris}, Angus, Scotland, UK

Robin Chittenden / Earthworm (Lumbricus terrestris) pair mating in grass, Norfolk, UK

Robin Chittenden / Earthworms mating {Lumbricus terrestris} UK

Kim Taylor / Earthworm {Lumbricus terrestris} portrait, Captive. UK.

Kim Taylor / Earthworm {Lumbricus terrestris} portrait, Captive. UK.

Kim Taylor / Earthworm (Lumbricus sp.) aestivating in sandy soil during drought conditions. UK.

Kim Taylor / Cross section through sandy woodland soil showing Earthworm (Lumbricus sp.) tunnels, UK.

Dave Bevan / Common european toad {Bufo bufo} feeding on an Earthworm {Lumbricus terrestris} Wales, UK

Dietmar Nill / Golden leaved beetle {Phyllobius viridearis} with earthworm and woodlouse. Germany

Philippe Clement / Earthworm emerging from grass {Lumbricus terrestris} Belgium

Konrad Wothe / Common Earthworm (Lumbricus terrestris), Germany

Konrad Wothe / Common Earthworm (Lumbricus terrestris) in vegetation, Germany

Konrad Wothe / Common Earthworm (Lumbricus terrestris), Germany

Konrad Wothe / Common Earthworm (Lumbricus terrestris) in dirt, Germany

Robin Chittenden / Earthworm pair (Lumbricus terrestris) mating. England, UK, Europe Hermaphrodites

Pete Oxford / Earthworm culture for soil improvement, Pro Pueblo Foundation, Ecuador

PREMAPHOTOS / Earthworms mating on lawn (Lumbricus terrestris) UK