Laurent Geslin / Common earthworm (Lumbricus terrestris) on dug earth in garden, England

Laurent Geslin / Common earthworm (Lumbricus terrestris) on dig earth a garden, England

Konrad Wothe / Common Earthworm (Lumbricus terrestris), Germany

Nick Upton / Oystercatcher (Haematopus ostralegus) passing small Earthworm (Lumbricus terrestris) it has caught on the grassy margins of lake to its developing chick, Gloucestershire, UK, June.

Bruno D'Amicis / Earthworm (Lumbricus sp.) in old-growth Beech (Fagus sylvatica) forest. Abruzzo, Lazio and Molise National Park / Parco Nazionale d'Abruzzo, Lazio e Molise UNESCO World Heritage Site Italy. Octobe...

Bruno D'Amicis / Earthworm casts (Lumbricus sp.) on forest floor in old-growth Beech (Fagus sylvatica) forest. UNESCO World Heritage Site. Abruzzo, Lazio and Molise National Park, Italy. November 2013

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris), Germany

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris) on mound in meadow, Germany

Phil Savoie / Blackbird (Turdus merula) sign, bringing Earthworm (Lumbricus terrestris) prey to nest, Monmouthshire, Wales UK, May.

Phil Savoie / Blackbird (Turdus merula) sign, bringing Earthworm (Lumbricus terrestris) prey to nest, Monmouthshire, Wales UK, May.

Steve Downer / Common european toad (Bufo bufo) swallowing an earthworm, April. Captive.

Steve Downer / Common european toad (Bufo bufo) swallowing an earthworm, April. Captive.

Steve Downer / Common european toad (Bufo bufo) catching and eating an earthworm, May. Captive.

Steve Downer / Common European toad (Bufo bufo) catching and eating an earthworm. Captive.

Nick Upton / Oystercatcher (Haematopus ostralegus) swallowing an Earthworm (Lumbricus terrestris) and foraging for more, Gloucestershire, England, UK, February.

Nick Upton / Oystercatcher (Haematopus ostralegus) pulling up an Earthworm (Lumbricus terrestris), Gloucestershire, England, UK, February.

Sylvain Cordier / Common earthworm (Lumbricus terrestris) castings on ground, Provence, France

MYN / Dirk Funhoff / Common earthworm (Lumbricus terrestris), Mannheim, Germany. Meetyourneighbours.net project.

MYN / Dirk Funhoff / Common earthworm (Lumbricus terrestris), Mühldorferstrasse, Mannheim, Germany. August. Meetyourneighbours.net project

MYN / Paul van Hoof / Common earthworm (Lumbricus terrestris) Gelderland, The Netherlands, September. Meetyourneighbours.net project

MYN / Paul van Hoof / Common earthworms (Lumbricus terrestris) Gelderland, The Netherlands, September. Meetyourneighbours.net project

MYN / Paul van Hoof / Common earthworm (Lumbricus terrestris) Gelderland, The Netherlands, September. Meetyourneighbours.net project

Nick Upton / Moorhen (Gallinula chloropus) swimming with an Earthworm (Lubricus terrestris) in its beak to feed its chicks with, Cornwall, UK, May.

MYN / Dimitris Poursanidis / Common earthworm (Lumbricus terrestris) Crete, Greece Meetyourneighbours.net project

MYN / Dimitris Poursanidis / Common earthworm (Lumbricus terrestris) Crete, Greece Meetyourneighbours.net project

MYN / Dimitris Poursanidis / Common earthworm (Lumbricus terrestris) Crete, Greece Meetyourneighbours.net project

MYN / Dimitris Poursanidis / Common earthworm (Lumbricus terrestris) Crete, Greece Meetyourneighbours.net project

MYN / Dimitris Poursanidis / Common earthworm (Lumbricus terrestris) Crete, Greece Meetyourneighbours.net project

MYN / Dimitris Poursanidis / Common earthworm (Lumbricus terrestris) Crete, Greece Meetyourneighbours.net project

Nick Upton / Moorhen (Gallinula chloropus) pulling up an Earthworm (Lumbricus terrestris) from partly snow-covered grassland fringing Corsham lake, Wiltshire, UK, January.

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

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

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

Mark Bowler / Common earthworm (Lumbricus terrestris)

Mark Bowler / Common earthworm (Lumbricus terrestris)

Mark Bowler / Common earthworm (Lumbricus terrestris)

Mark Bowler / Common earthworm (Lumbricus terrestris)

David Kjaer / Common Buzzard (Buteo buteo) feeding on worm, UK, Captive

Ingo Arndt / Common Earthworm (Lumbricus terrestris), Germany

Ingo Arndt / Common Earthworm (Lumbricus terrestris), Germany

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

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

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris) scat, Germany

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris), Germany

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris) in defensive posture, Germany

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris), Germany

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris), Germany

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris) segments, Germany

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris), Germany

Heidi & Hans-Juergen Koch / Common Earthworm (Lumbricus terrestris) on mound in meadow, Germany

Sebastian Kennerknecht / Eurasian Blackbird (Turdus merula) sub-adult male with earthworm prey, London, England, United Kingdom

Brian Bevan / Blackbird (Turdus merula) female looking around and pecking at Earthworm (Lumbricus sp.) on ground before swallowing it, Bedfordshire, UK.

Konrad Wothe / Blackbird (Turdus merula) female, standing in garden with earthworm in beak, Bavaria, Germany. April.

Michael W. Richards / Common Buzzard (Buteo buteo) walking over grass to catch and eating worm, Somerset, UK, February.

Michael W. Richards / Common Buzzard (Buteo buteo) running over grass to catch and eat a worm, Somerset, UK, February.

Michael W. Richards / Common Buzzard (Buteo buteo) running over grass, towards camera to catch a worm, Somerset, UK, February.