Murray Cooper / Horned Screamer (Anhima cornuta), South America

Oscar Dewhurst / Horned screamers (Anhima cornuta) calling at the edge of oxbow lake. Manu National Park, Madre de Dios, Peru. September. Cropped

Oscar Dewhurst / Horned screamer (Anhima cornuta) Manu National Park, Madre de Dios, Peru. September.

Bernard Castelein / Horned screamer (Anhima cornuta) perched, Madidi NP, Bolivia

Nick Garbutt / Horned screamer (Anhima cornuta) in lowland Amazon rainforest. Manu Biosphere Reserve, Amazonia, Peru.

Murray Cooper / Horned Screamer (Anhima cornuta) group, South America

Gabriel Rojo / Southern screamer (Chauna torquata) with chicks on ground, Ibera Marshes, Corrientes Province, Argentina

Gabriel Rojo / Southern screamer (Chauna torquata) adults with chick. Ibera Marshes, Corrientes Province, Argentina

Thomas Marent / Horned Screamer (Anhima cornuta), Los Llanos, Colombia

Gabriel Rojo / Southern screamer (Chauna torquata) with chicks on ground, Ibera Marshes, Corrientes Province, Argentina

Gabriel Rojo / Southern screamer (Chauna torquata) leading chicks on ground, Ibera Marshes, Corrientes Province, Argentina

Nick Garbutt / Male Horned Screamer (Anhima cornuta), Hato La Aurora Reserve, Los Llanos, Colombia, South America.