Luke Massey / Sunbittern (Eurypyga helias) fishing, Pantanal, Brazil.

Luke Massey / Sunbittern (Eurypyga helias) stretching its wing, Pantanal, Brazil.

Luke Massey / Sunbittern ( Eurypyga helias) fishing, Pantanal, Brazil.

Murray Cooper / Sunbittern (Eurypyga helias) chick in defensive display in nest, Ecuador

Tony Heald / Sunbittern (Eurypyga helias) profile portrait, Pantanal, Brazil

Suzi Eszterhas / Sunbittern (Eurypyga helias) at waters edge, Pantanal, Brazil.

Nick Garbutt / Sunbittern (Eurypyga helias) hunting, Cuiaba River, northern Pantanal, Brazil, South America.

Nick Garbutt / Sunbittern (Eurypyga helias) displaying on fence post, Hato La Aurora Reserve, Los Llanos, Colombia, South America.

Ben Cranke / Sunbittern (Eurypyga helias) on river bank, Mato Grosso, Pantanal, Brazil. August.

Luiz Claudio Marigo / Sunbittern (Eurypyga helias) mating Pantanal, Mato Grosso State, Western Brazil.

Luiz Claudio Marigo / Sunbitterns (Eurypyga helias) singing to each other during courtship display, Pantanal, Mato Grosso State, Western Brazil.

Luiz Claudio Marigo / Sunbitterns (Eurypyga helias) singing to each other during courtship display, Pantanal, Mato Grosso State, Western Brazil.

Luiz Claudio Marigo / Sunbitterns (Eurypyga helias) singing to each other during courtship display, Pantanal, Mato Grosso State, Western Brazil.

Luiz Claudio Marigo / Sunbittern (Eurypyga helias) running and calling, Pantanal, Mato Grosso State, Western Brazil.

David Tipling / Sunbittern (Eurypyga helias) stretching wings, Amazon, Peru.

Glenn Bartley / Sunbittern (Eurypyga helias), Costa Rica

Pete Oxford / Sunbittern (Eurypyga helias) displaying, Rewa River, Iwokrama Rainforest Reserve, Guyana

Murray Cooper / Sunbittern (Eurypyga helias) at nest with chick, Ecuador

Murray Cooper / Sunbittern (Eurypyga helias) feeding chick a grasshopper, Ecuador

Murray Cooper / Sunbittern (Eurypyga helias) calling, Ecuador

Murray Cooper / Sunbittern (Eurypyga helias) in shallow stream, Ecuador

Murray Cooper / Sunbittern (Eurypyga helias), Ecuador

Murray Cooper / Sunbittern (Eurypyga helias) in defensive posture, Ecuador

Murray Cooper / Sunbittern (Eurypyga helias) fishing, Ecuador

Murray Cooper / Sunbittern (Eurypyga helias) parent on nest, Ecuador

Murray Cooper / Sunbittern (Eurypyga helias) feeding frog to chicks, Ecuador

Murray Cooper / Sunbittern (Eurypyga helias) with frog prey, Ecuador

Michael & Patricia Fogden / Sunbittern (Eurypyga helias) adult, preening primaries tail feathers, forested rivers, Costa Rica

Michael & Patricia Fogden / Sunbittern (Eurypyga helias) adult with chick eating lizard in nest, Costa Rica

Michael & Patricia Fogden / Sunbittern (Eurypyga helias) adult feeding frog to chicks in nest, Costa Rica

Michael & Patricia Fogden / Sunbittern (Eurypyga helias) adult feeding frog to chicks in nest, Costa Rica

Michael & Patricia Fogden / Sunbittern (Eurypyga helias) adult feeding frog to chicks in nest, Costa Rica

Michael & Patricia Fogden / Sunbittern (Eurypyga helias) adult feeding frog to chicks in nest, Costa Rica

Michael & Patricia Fogden / Sunbittern (Eurypyga helias) chick in defensive thereat display in nest, Costa Rica

Michael & Patricia Fogden / Sunbittern (Eurypyga helias) adult in nest with chicks, Costa Rica

Michael & Patricia Fogden / Sunbittern (Eurypyga helias) adult in nest in threat display, Costa Rica

Michael & Patricia Fogden / Sunbittern (Eurypyga helias) adult in nest in threat display, Costa Rica

Gerry Ellis / Sunbittern (Eurypyga helias) portrait, Amazon Basin, Colombia

Flip de Nooyer / Sunbittern (Eurypyga helias) threat display, Guyana

Johannes Melchers/ BIA / Sunbittern (Eurypyga helias), Bolivia

Glenn Bartley/ BIA / Sunbittern (Eurypyga helias), Ecuador

Pal Hermansen / Sunbittern (Eurypyga helias) wading in river, Costa Rica.

Roland Seitre / Sun bittern (Eurypyga helias) wading in shallow water, Venezuela.

Ernie Janes / Sunbittern (Eurypyga helias) with wings spread, standing in shallow water. Captive.

Philippe Clement / Sunbittern (Eurypyga / Ardea helias) brooding on nest, native to tropical regions of the Americas. Captive

Philippe Clement / Sunbittern (Eurypyga helias / Ardea helias) on nest, native to tropical regions of the Americas. Captive