Lucas Bustamante / Anhinga (Anhinga anhinga). Yasuni National Park, Orellana, Ecuador

Bernard Castelein / Darter ( Anhinga melanogaster) drying wings, Keoladeo NP, Bharatpur, India

Guy Edwardes / Reed cormorant (Microcarbo africanus) perched on termite mound, Khwai, Botswana.

Donald M. Jones / American Darter (Anhinga anhinga) preening, Everglades National Park, Florida

Neil Aldridge / Portrait of an African darter (Anhinga rufa) on the Chobe River, Chobe National Park, Botswana.

George Sanker / Anhinga (Anhinga anhinga) with large Bluegill Sunfish (Lepomis macrochirus) prey, Everglades National Park, Florida, USA, March.

George Sanker / American darter / Anhinga (Anhinga anhinga) with caught fish prey, Everglades National Park, Florida, USA, March

Luiz Claudio Marigo / Darter / Anhinga (Anhinga anhinga) female in water with fish prey in beak. The Pantanal wetlands of Mato Grosso State, Brazil, November.

Tony Heald / African darter {Anhinga rufa} preening wings, Chobe National Park, Botswana

Tony Heald / African Darter {Anhinga rufa} flying, Chobe NP, Botswana, Africa.

Rolf Nussbaumer / American darter {Anhinga anhinga} adult at nest with fledgling chicks, Welder Wildlife Refuge, Sinton, Texas, USA.

Jim Brandenburg / American Darter (Anhinga anhinga) portrait, Everglades National Park, Florida