Dave Bevan / Grey plover (Pluvialis squatarola) eating a marine flatworm, Norfolk, England, UK, February.

Danny Green / Knot (Calidris canutus) and grey plover (Pluvialis squatarola) roost at high tide with numerous birds packed tightly together, Snettisham, Norfolk, October. Bookplate from Danny Green's 'The Long Jour...

Chris Gomersall / 2020VISION / Grey plover (Pluvialis squatarola) adult in winter plumage on mudflats, The Wash, Norfolk, England, UK, December

Rolf Nussbaumer / Grey / Black-bellied plover, breeding plumage {Pluvialis squatarola} Texas, USA

Yva Momatiuk & John Eastcott / Black-bellied Plover (Pluvialis squatarola) non-breeding bird resting on one leg on shore, spring, Gulf of Mexico, Padre Island National Seashore, Texas

Tom Vezo / Black-bellied Plover (Pluvialis squatarola) in winter plumage, Long Island, New York

Mike Read / Redshanks {Tringa totanus} and Grey plover {Pluvialis squatarola} at high tide roost. Hampshire, UK

Ernie Janes / Grey plover (Pluvialis squatarola) on mudflats feeding, Norfolk, England, UK, January.

Lynn M. Stone / Grey plover (Pluvialis squatarola) foraging on sandy beach in late afternoon, Santa Barbara, California, USA. October.

Alan Murphy/ BIA / Black-bellied Plover (Pluvialis squatarola) taking flight, Texas

Dave Bevan / Grey plover (Pluvialis squatarola) eating a marine flatworm, Norfolk, England, UK, February.

Lynn M. Stone / Black-bellied plover (Pluvialis squatarola), beginning to show breeding plumage, foraging along beach, St. Petersburg, Florida, USA. April.