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

Marie Read / American oystercatchers (Haematopus palliatus) courting pair performing 'Piping Display', calling as they walk along together, Fort DeSoto Park, Florida, USA, March

Marie Read / American oystercatchers (Haematopus palliatus) courting pair performing 'Piping Display', calling as they walk along together, Fort DeSoto Park, Florida, USA, March

Roger Powell / Oystercatchers (Haematopus ostralegus) in aerial piping display over territory, Porsanger Fjord shore, Arctic Norway. June

Tom Vezo / Piping Plover (Charadrius melodus) pretending to be wounded to distract predator from eggs and young, Long Island, New York

Marie Read / Three American oystercatchers (Haematopus palliatus) in flight, calling during aerial piping display, courtship and territorial behavior, with one defecating. Long Island, New York, USA. June. Topa...

Marie Read / Piping plovers (Charadrius melodus), male approaching female while performing goose-stepping display before copulation, near nest site on beach, northern Massachusetts coast, USA, April.