Claudio Contreras / Semipalmated Plover (Charadrius semipalmatus), Bahia Magdalena, Baja California Peninsula, Mexico, June

Lynn M. Stone / Semipalmated plover (Charadrius semipalmatus) on mud bar at low tide, St. Petersburg, Florida, USA. April.

Tui De Roy / Semipalmated plover (Charadrius semipalmatus), migrant on wintering grounds, Galapagos

Nick Hawkins / Semipalmated plover (Charadrius semipalmatus) on sand beaches of Borgle's Island, Nova Scotia, Canada, September.

Tim Laman / Semipalmated plover (Charadrius semipalmatus) foraging at low tide on mudflats of the Orinoco River Delta, Venezuela.

Tim Laman / Semipalmated plover (Charadrius semipalmatus) foraging at low tideon mudflats of the Orinoco River Delta, Venezuela.

Gerrit Vyn / Semipalmated plover (Charadrius semipalmatus). Ocean Shores, Washington, USA, May.

Paul Hobson / Semipalmated plover (Charadrius semipalmatus) winter plumage, Florida, USA, February.

Ernie Janes / Semipalmated plover (Charadrius semipalmatus) with Sanderlings (Calidris alba) behind, Fort Myers Beach, Gulf Coast, Florida, USA, March.

Ernie Janes / Semipalmated plover (Charadrius semipalmatus) on beach, Fort Myers Beach, Gulf Coast, Florida, USA, March.

Ole Jorgen Liodden / Semipalmated plover (Charadrius semipalmatus) foraging on beach, Galapagos

Bertie Gregory / Semipalmated plover (Charadrius semipalmatus) foraging on a beach at sunset, Vancouver Island, British Columbia, Canada, July.

Eric Baccega / Semi palmated plover (Charadrius sempalmatus) on beach stretching wings, British Columbia, Canada, June.

Eric Baccega / Semi palmated plover (Charadrius sempalmatus) on beach, British Columbia, Canada, June.