Shattil & Rozinski / Wilson's phalarope (Phalaropus tricolor) flock flying, Blanca Wetlands, San Luis Valley, Colorado, USA

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) flock flying over tufa formations at Mono Lake in late summer, with reflection, California, USA. July 2013. Mono Lake is an important staging site for sho...

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) large flock on the shore at Mono Lake in late summer, California, USA. July. Mono Lake is an important staging site (stopover site) for migrating shorebir...

Phil Savoie / Wilson's phalarope (Phalaropus tricolor) Bozeman, Montana, USA. May.

Gabriel Rojo / Wilson?s phalarope (Phalaropus tricolor) two foraging on shore, La Pampa, Argentina

Gabriel Rojo / Wilson's phalarope (Phalaropus tricolor) flock in flight, La Pampa-Argentina

Bernard Castelein / Wilson's phalarope (Phalaropus tricolor) flock on water, Sajama National Park, altiplano, Bolivia September

Bernard Castelein / Wilson's phalarope (Phalaropus tricolor) flock on water, Sajama National Park, altiplano, Bolivia September

Gabriel Rojo / Wilsons phalarope (Phalaropus tricolor) big flock feeding on water, La Pampa Argentina

Gabriel Rojo / Wilson´s phalarope (Phalaropus tricolor) portrait on water, La Pampa Argentina

Gabriel Rojo / Wilsons phalarope (Phalaropus tricolor) portrait on water, La Pampa, Argentina

Claudio Contreras / Wilson's phalarope (Steganopus tricolor) on water in non breeding plumage, Xochimilco wetlands, Mexico City, Mexico. August.

Claudio Contreras / Wilson's phalarope (Steganopus tricolor) on water in non breeding plumage, Xochimilco wetlands, Mexico City, Mexico. August.

Alan Murphy / Wilson's Phalarope (Phalaropus tricolor), Texas

Alan Murphy / Wilson's Phalarope (Phalaropus tricolor) foraging, Texas

Robert Royse / Wilson's Phalarope (Phalaropus tricolor), Arizona

Robert Royse / Wilson's Phalarope (Phalaropus tricolor), Montana

Robert Royse / Wilson's Phalarope (Phalaropus tricolor) female, Montana

Glenn Bartley / Wilson's Phalarope (Phalaropus tricolor) female, Alberta, Canada

Alan Murphy / Wilson's Phalarope (Phalaropus tricolor) female, Texas

Glenn Bartley / Wilson's Phalarope (Phalaropus tricolor) female calling, Alberta, Canada

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) large flock swimming/foraging near the shoreline at Mono Lake, tufa formations in the background, late July, Mono Lake, California, USA. July.

Marie Read / Wilson's Phalarope (Phalaropus tricolor), female in breeding plumage, stretching its wing and foot, perched on small tufa outcrop in the water, Mono Lake, California, USA, July.

Marie Read / Wilson's Phalarope (Phalaropus tricolor), female feeding by using surface tension of water to pick up small prey item, probably brine shrimp (Artemia monica), while swimming, Mono Lake, California, US...

Marie Read / Wilson's Phalaropes (Phalaropus tricolor), flock resting on partly-submerged tufa formation Mono Lake, California, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) group on low tufa outcrop at Mono Lake California, Sierra Nevada in background, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor), flock flying over tufa formations at Mono Lake, just after sunrise, California, USA.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor), flock in flight, coming in to land near shoreline, Mono Lake, California, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) large flock swimming/in flight near the shoreline at Mono Lake, tufa formations in the background, late July, Mono Lake, California, USA. July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor), flock flying past tufa formations, Mono Lake, California, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) large flock flying over tufa formations, late July, Mono Lake, California, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor), flock turning in flight showing both ventral and dorsal views of birds, late July, tufa formation in center of frame, Mono Lake, California, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) large flock in flight, late July, Mono Lake, California, USA, July.

Jim Brandenburg / Wilson's Phalarope (Phalaropus tricolor) female in breeding plumage, North America

Gerrit Vyn / Wilson's Phalarope (Phalaropus tricolor) female in breeding plumage calling. Southeast Alberta, Canada. May.

Donald M. Jones / Wilson's Phalarope (Phalaropus tricolor) wading, North America

Donald M. Jones / Wilson's Phalarope (Phalaropus tricolor) preening, North America

Shattil & Rozinski / Wilson's phalarope (Phalaropus tricolor) flock flying, Blanca Wetlands, San Luis Valley, Colorado, USA

Shattil & Rozinski / Wilson's phalarope (Phalaropus tricolor) flock flying, Blanca Wetlands, San Luis Valley, Colorado, USA

Shattil & Rozinski / Wilson's phalarope (Phalaropus tricolor) flock flying, Blanca Wetlands, San Luis Valley, Colorado, USA

Rolf Nussbaumer / Male Wilson's Phalaropes (Phalaropus tricolor) in shallow water, Welder Wildlife Refuge, Sinton, Texas, USA. May 2005

Tom Vezo / Wilson's phalarope female on water {Phalaropus tricolor} Utah, USA

Tom Vezo / Wilson's phalarope female on water {Phalaropus tricolor} Utah, USA

Tom Vezo / Wilson's phalarope male on nest {Phalaropus tricolor} Utah, USA

Tom Vezo / Wilson's Phalarope (Phalaropus tricolor) wading and foraging for food, Bear River, Utah

Tim Fitzharris / Wilson's Phalarope (Phalaropus tricolor) adult with reflection, North America

Doug Wechsler / Wilson's phalarope female in water {Phalaropus tricolor} North Dakota, USA Lostwood NWR

Donald M. Jones / Wilson's Phalarope (Phalaropus tricolor) stretching at sunset, Montana

Donald M. Jones / Wilson's Phalarope (Phalaropus tricolor) female foraging, Montana

Donald M. Jones / Wilson's Phalarope (Phalaropus tricolor) male preening, Montana

Donald M. Jones / Wilson's Phalarope (Phalaropus tricolor) female, Montana