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

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