David Woodfall / Dunlin (Calidris alpina ) with young in Machair, North Uist, Scotland, UK, June.

David Woodfall / Strips of ploughed Machair, farmed by crofters and vital habitat for breeding Little terns (Sterna albifrons ) and Oystercatcher (Haematopus ostralegus) and Dunlin (Calidris alpina). North Uist, Scotl...

Markus Varesvuo / Dunlin (Calidris alpina) portrait. Vardo, Finnmark, Norway. May.

Erlend Haarberg / Dunlin (Calidris alpina) nest with eggs, Forollhogna, Norway, June.

Philippe Clement / Two dunlin (Calidris alpina) in breeding plumage on sea cliff top along the Atlantic coast, Shetland Islands, Scotland, UK, May

Holger Duty/ BIA / Dunlin (Calidris alpina) foraging, Mecklenburg-Vorpommern, Germany

David Tipling / Dunlin (Calidris alpina) male on breeding moor Unst, Shetland, Scotland, UK.June

E.J. Peiker/ BIA / Dunlin (Calidris alpina) calling, Iceland

Alan Murphy/ BIA / Dunlin (Calidris alpina) calling, Iceland

Loic Poidevin / Dunlin (Calidris alpina) group in flight in winter, Vendee, France, February

Markus Varesvuo / Dunlin (Calidris alpina) Vardo, Norway, May.

Johannes Melchers/ BIA / Dunlin (Calidris alpina), Finnmark, Norway