Rolf Nussbaumer / White faced ibis {Plegadis chihi} Welder Wildlife Refuge, Sinton, Texas, USA.

Jouan Rius / White faced ibis (Plegadis chihi) on Lake Powell, Glen Canyon Recreation Area, Arizona, USA, April 2014.

Gabriel Rojo / White-faced ibis (Plegadis chihi) La Pampa, Argentina.

Claudio Contreras / White-faced ibis (Plegadis chihi) adult flying, Xochimilco wetlands, Mexico City, Mexico. February

Claudio Contreras / White-faced ibis (Plegadis chihi) group of five flying silhouetted against clouds, Xochimilco wetlands, Mexico City, February

Angelo Gandolfi / Limpkin (Aramus guarauna) in non breeding plumage, Pantanal, Brazil.

Glenn Bartley / White-faced Ibis (Plegadis chihi), Oregon

Rolf Nussbaumer / White-faced ibis (Plegadis chihi) adult preening, Dinero, Lake Corpus Christi, South Texas, USA.

B&S Draker / White-faced Ibis (Plegadis chihi) adult foraging in water. Sinton, Corpus Christi, Coastal Bend, Texas, USA, June.

Pete Oxford / Mixed flock of whistling ducks and ibis taking flight. White-faced Whistling Duck (Dendrocygna viduata), Black-bellied Whistling-duck (Dendrocygna autumnalis), Scarlet Ibis (Eudocimus ruber). Hato Ma...

Rolf Nussbaumer / Head portrait of White-faced Ibis (Plegadis chihi) in marsh, Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA

Jeff Vanuga / White ibis (Eudocimus albus) flock in flight, Alafia Banks Preserve, Florida, USA, March.