Mark Hamblin / 2020VISION / Adult Eurasian dotterel (Charadrius morinellus), female with wings partially raised in the air in breeding habitat on upland plateau of Grampian mountains, Cairngorms NP, Scotland, UK, May 2011. 2020V...

Mark Hamblin / 2020VISION / Adult male Eurasian dotterel (Charadrius morinellus) in breeding habitat on upland plateau of Grampian mountains, Cairngorms NP, Scotland, UK, May 2011

Mark Hamblin / 2020VISION / Adult male Eurasian dotterel (Charadrius morinellus) in breeding habitat on upland plateau of Grampian mountains, Cairngorms NP, Scotland, UK, May 2011

Mark Hamblin / 2020VISION / Adult female Eurasian dotterel (Charadrius morinellus) in breeding habitat on upland plateau of Grampian mountains, Cairngorms NP, Scotland, UK, May 2011

Mark Hamblin / 2020VISION / Adult female Eurasian dotterel (Charadrius morinellus) displaying with wings raised, in breeding habitat on upland plateau of Grampian mountains, Cairngorms NP, Scotland, UK

Mark Hamblin / 2020VISION / Adult female Eurasian dotterel (Charadrius morinellus) in breeding habitat on upland plateau of Grampian mountains, Cairngorms NP, Scotland, UK, May 2011

Mark Hamblin / 2020VISION / Adult female Eurasian dotterel (Charadrius morinellus) in breeding habitat on upland plateau of Grampian mountains, Cairngorms NP, Scotland, UK, May 2011. Did you know? In one summer, a female dottere...

Mark Hamblin / 2020VISION / Eurasian dotterel (Charadrius morinellus) pair mating in breeding habitat on upland plateau of Grampian mountains, Cairngorms NP, Scotland, UK, May 2011

Markus Varesvuo / Dotterel (Charadrius morinellus) flying over tundra vegetation, Lapland, Finland, June

Sebastian Kennerknecht / Snowy Plover (Charadrius nivosus) biologist, Ben Pearl, picking up chick from mud flat in salt pond, Eden Landing Ecological Reserve, Union City, Bay Area, California

Hanne & Jens Eriksen / Greater sand plover (Charadrius leschenaultii) with open beak, standing on rock. Oman, July.

Jussi Murtosaari / Eurasian dotterel (Charadrius morinellus), adult in habitat, Finland, July.

Jussi Murtosaari / Eurasian dotterel (Charadrius morinellus), adult brooding young, Finland, June.

Jussi Murtosaari / Eurasian dotterel (Charadrius morinellus), adult, Finland, June.

Jussi Murtosaari / Eurasian dotterel (Charadrius morinellus), adult eating a bug, Finland, June.

Staffan Widstrand / Wild Wonders of China / Greater sand plover (Charadrius leschenaultii) bird walking on ground. Inner Mongolia, China

Espen Bergersen / Eurasian Dotterel (Charadrius morinellus). Tromso, Norway. June

Espen Bergersen / Eurasian Dotterel (Charadrius morinellus) on snow. Tromso, Norway. June

Melvin Grey / Greater sand plover (Charadrius leschenaultii) adult male, winter Eilat, Israel.

Werner Bollmann / Dotterel (Charadrius morinellus) Mornell, Varanger Peninsula, Norway, June.

Jussi Murtosaari / Eurasian dotterel (Charadrius morinellus), juvenile in nesting habitat, Finland, July.

Jussi Murtosaari / Eurasian dotterel (Charadrius morinellus), nesting adult, Finland, July.

Jussi Murtosaari / Eurasian dotterel (Charadrius morinellus), Finland, June.

Andy Trowbridge / Banded dotterel or double-banded plover (Charadrius bicinctus) standing in shallow water with reflection. Ashley River, Canterbury, New Zealand. July.

Andy Trowbridge / Banded dotterel or double-banded plover (Charadrius bicinctus) feeding in shallow water. Ashley River, Canterbury, New Zealand. July.

Sylvain Cordier / Rufous-chested plover (Charadrius modestus), adult near by the nest, Pebble Island, Falkland Islands

Roland Seitre / Inland dotterel (Peltohyas australis) and Australia courser (Charadrius australis) Australia.

Hanne & Jens Eriksen / Greater sand plover (Charadrius leschenaultii) getting into breeding plumage, Oman, February

David Tipling / New Zealand dotterel (Charadrius obscurus) female walking along beach, North Island, New Zealand, November

David Tipling / Shore dotterel / plover (Thinornis novaeseelandiae) Mangere Island, North Island, New Zealand November 2011 Endangered species with world population of just 200 birds

Richard Robinson / Auckland Island banded dotterel (Charadrius bicinctus exilis) on shoreline, Enderby Island in the subantarctic Auckland Islands archipelago, New Zealand, January Editorial use only.

Richard Robinson / Auckland Island banded dotterel (Charadrius bicinctus exilis) on shoreline, Enderby Island in the subantarctic Auckland Islands archipelago, New Zealand, January Editorial use only.

Richard Robinson / Auckland Island banded dotterel (Charadrius bicinctus exilis) Enderby Island in the subantarctic Auckland Islands archipelago, New Zealand, January Editorial use only.

Richard Robinson / Auckland Island banded dotterel (Charadrius bicinctus exilis) Enderby Island in the subantarctic Auckland Islands archipelago, New Zealand, January Editorial use only.

Richard Robinson / Auckland Island banded dotterel (Charadrius bicinctus exilis) Enderby Island in the subantarctic Auckland Islands archipelago, New Zealand, January Editorial use only.

SCOTLAND: The Big Picture / Dotterel (Charadrius morinellus) standing on rock, Cairngorms National Park, Scotland, UK, May.

Hanne & Jens Eriksen / Greater sand plover (Charadrius leschenaultii) on grass, Oman, August

Hanne & Jens Eriksen / Lesser sand plover (Charadrius mongolus) on beach, Oman, August

Hanne & Jens Eriksen / Lesser sand plover (Charadrius mongolus) during migration, Oman, August

Gerrit Vyn / Lesser Sand Plover (Charadrius mongolus) in winter plumage foraging on tidal mud flats, Rakhine State, Myanmar.

Jussi Murtosaari / Eurasian dotterel (Charadrius morinellus), adult at nesting habitat, Lapland, Finland, June.

Gerrit Vyn / Lesser sand plover (Charadrius mongolus) in winter plumage. Rakhine State, Myanmar. January.

Gerrit Vyn / Greater sand plover (Charadrius leschenaultii) in winter plumage foraging on coastal tidal flats. Rakhine State, Myanmar. January.

Gerrit Vyn / Greater sand plover (Charadrius leschenaultii) in winter plumage foraging on coastal tidal flats. Rakhine State, Myanmar. January.

Gerrit Vyn / Greater sand plover (Charadrius leschenaultii) in winter plumage foraging on coastal tidal flats. Rakhine State, Myanmar. January.

Gerrit Vyn / Greater sand plover (Charadrius leschenaultii) in winter plumage foraging on coastal tidal flats. Rakhine State, Myanmar. January.

Gerrit Vyn / Greater sand plover (Charadrius leschenaultii) in winter plumage with worm prey. Rakhine State, Myanmar. January.

Gerrit Vyn / Lesser sand plover (Charadrius mongolus) male, Chukotka, Russia. June.