John Chan / Killdeer (Charadrius vociferus) stamping its feet to create vibrations in the sand as it forages for insects, Southern California, USA, August.

Alan Murphy/ BIA / Killdeer (Charadrius vociferus) in broken wing display, Texas

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

Greg Oakley/ BIA / Red-capped Plover (Charadrius ruficapillus) on beach, New South Wales, Australia

Michael Milicia/ BIA / Piping Plover (Charadrius melodus) in broken wing display, Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus) stretching, Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus) with chick, Massachusetts

David Williams / Mongolian Plover (Charadrius mongolus) running, Thailand

Markus Varesvuo / Little Ringed Plover (Charadrius dupius) summer, Loviisa Finland

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

Markus Varesvuo / Little Ringed Plover (Charadrius dupius) feeding in water, Loviisa, Finland, June

Richard Steel / 2020VISION / Male Little ringed plover (Charadrius dubius) on the edge of a freshwater gravel pit, Hampshire, England, UK, April.