Nick Upton / Rock pipit (Anthus petrosus) perched on cliff edge grassland with the sea in the background, Cornwall, UK, April.

David Pattyn / Water pipit (Anthus spinoletta) foraging for food, Valkenhorst Nature Reserve, The Netherlands. December.

Nick Upton / Rock pipit (Anthus petrosus) perched on a fence post in coastal farmland, Cornwall, UK, October.

Dave Bevan / Rock pipit (Anthus petrosus) foraging amongst seaweed on rocky shore, Ceredigion, Wales, UK, November.

Dave Bevan / Rock pipit (Anthus petrosus) feeding from a sea wall, Ceredigion, Wales, UK, October.

Dave Bevan / Rock pipit (Anthus petrosus) feeding from a sea defence wall, Ceredigion, Wales, UK, October.

Dave Bevan / Rock pipit (Anthus petrosus) feeding from rocks, Ceredigion, Wales, UK, October.

Jussi Murtosaari / Eurasian rock pipit (Anthus petrosus), with Redshank (Tringa totanus), Finland, April.

Jussi Murtosaari / Eurasian rock pipit (Anthus petrosus) along coast, Finland, April.

Jussi Murtosaari / Eurasian rock pipit (Anthus petrosus) feeding along coast, Finland, April.

Ernie Janes / Rock pipit (Anthus petrosus) Firth of Forth, East Lothian, Scotland, UK, June.

Nick Upton / Rock pipit (Anthus petrosus) foraging for invertebrates on a rocky cliff face, Cornwall, UK, April

Fabrice Cahez / Water pipit (Anthus spinoletta) Vosges, France, January.

Loic Poidevin / Eurasian rock pipit (Anthus petrosus) on a stone, Jura, Scotland, UK, September

Nick Upton / Rock pipit (Anthus petrosus) foraging for invertebrates among seaweed on the strand line as the tide rises at sunset, Cornwall, UK, September.

Nick Upton / Rock pipit (Anthus petrosus) foraging for invertebrates on a stony beach beside a freshwater stream, Cornwall, UK, September.

Markus Varesvuo / Water Pipit (Anthus spinoletta) standing in short grass, Sultanate of Oman, Arabia, February.

Loic Poidevin / Water pipit (Anthus spinoletta) at waters edge, Breton Marsh, France, December.

Loic Poidevin / Water pipit (Anthus spinoletta) at waters edge, Breton Marsh, France, December.

Axel Gebauer / Water pipit (Anthus spinoletta) on rocks, Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / Water pipit (Anthus spinoletta) on rocks, Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / Water pipit (Anthus spinoletta) on a snowfield, Abago, Kavkazsky Zapovednik, Russia, July.

Jussi Murtosaari / Rock Pipit (Anthus petrosus) on frozen beach, southwest Finland, February.

Ralph Martin / Water Pipit (Anthus spinoletta), Baden-Wurttemberg, Germany

Christine Jung / Water Pipit (Anthus spinoletta), Sohar, Oman

Loic Poidevin / Meadow Pipit (Anthus rubescens) West France, Vendée, january

Mike Read / Water pipit (Anthus spinoletta) Pyrenees, France, September

Grzegorz Lesniewski / Water Pipit (Anthus spinoletta). Bieszczady Mountains, Bieszczady National Park, the Carpathians, Poland, May.

Wild Wonders of Europe / Lesniewski / Water Pipit (Anthus spinoletta) perching on a rock. Bieszczady, Carpathian Mountains, Poland, May.

Wild Wonders of Europe / Lesniewski / Water Pipit (Anthus spinoletta) perching on a branch. Bieszczady, Carpathian Mountains, Poland, May.

Wild Wonders of Europe / Widstrand / Water pipit (Anthus spinoletta) Ignoussa Mountains, near Lake Kerkini, Macedonia, Greece, May 2009

Hanne & Jens Eriksen / Rock pipit {Anthus spinoletta} on cut grass, Sohar, Oman, Middle East

Jose B. Ruiz / Rock pipit {Anthus spinoletta} foraging at water's edge, Alicante, Spain

Mike Wilkes / Rock / Water Pipit (Anthus spinoletta) beside water, Southern Spain

Mike Potts / Water pipit (Anthus spinoletta) searching for insects on a rocky shoreline, Menai Straits, Gwynedd, North Wales, UK

Mike Potts / Water pipit (Anthus spinoletta) searching for insects on a rocky shoreline, Menai Straits, Gwynedd, North Wales, UK

Mike Potts / Water pipit (Anthus spinoletta) searching for insects on a rocky shoreline, Menai Straits, Gwynedd, North Wales, UK

Mike Potts / Water pipit (Anthus spinoletta) searching for insects on a rocky shoreline, Menai Straits, Gwynedd, North Wales, UK

Dave Watts / Water Pipit {Anthus spinoletta} France

Dave Watts / Water Pipit at nest with chicks {Anthus spinoletta} Pyrenees, France

DAVID TIPLING / Water Pipit {Anthus spinoletta}, Greece.

DAVID TIPLING / Water Pipit {Anthus spinoletta}, Greece.

Dave Watts / Water pipit {Anthus spinoletta} Pyrenees, France

Dave Watts / Water pipit at nest with hungry chicks {Anthus spinoletta} Pyrenees, France

Hanne & Jens Eriksen / Rock / Water pipit {Anthus spinoletta} Aladag mts, Turkey

Mike Wilkes / Rock (Water) pipit {Anthus spinoletta} Spain.

Mike Read / Rock pipit (Anthus petrosus) perched on a grassy mound, Portland Bill, Isle of Portland, Jurassic Coast, Dorset, England, UK. February.

Mike Read / Rock pipit (Anthus petrosus) feeding on frozen ground in winter, Portland Bill, Jurassic Coast, Dorset, England, UK. January.

Roger Powell / Rock pipit (Anthus petrosus) hunting insects on seaweed at tideline on beach, Low Newton, Northumberland, England, UK, February.

Nick Upton / Rock pipit (Anthus petrosus) with noctuid moth prey in its beak, on cliff edge grassland, Dorset, UK, May.

Roger Powell / Water pipit (Anthus spinoletta) feeding amongst flotsam at the waters edge. Riet Vell Nature Reserve, Ebro Delta, Catalonia, Spain, April.