Pete Oxford / Red-crested Cardinal (Paroaria coronata) perched on branch, Pantanal, Brazil

John Shaw / Yellow-billed cardinal (Paroaria capitata). Pantanal, Brazil, September.

Luke Massey / Yellow billed cardinal (Paroaria capitata) drinks Pantanal, Brazil.

E.J. Peiker/ BIA / Red-crested Cardinal (Paroaria coronata), Hawaii

Gabriel Rojo / Red crested cardinal (Paroaria coronata) Ibera Marshes, Corrientes Province, Argentina

Thomas Marent / Red-crested Cardinal (Paroaria coronata) calling, Pantanal, Mato Grosso, Brazil

Murray Cooper / Red-capped Cardinal (Paroaria gularis) parent and fledgling feeding on fruit, Ecuador

Murray Cooper / Red-capped Cardinal (Paroaria gularis) parents with fledglings, Ecuador

Luiz Claudio Marigo / Eared Dove (Zenaida auriculata) foraging with Yellow-billed cardinals (Paroaria capitata) and other birds, Pantanal, Mato Grosso, Brazil.

Luiz Claudio Marigo / Red-crested cardinal (Paroaria coronata) perched, Pantanal, Brazil.

Sean Crane / Yellow-billed Cardinal (Paroaria capitata), Pantanal, Brazil

Ben Cranke / Red-cowled Cardinal (Paroaria dominicana) perched on a tree branch, Piaui, Brazil. August.

Ben Cranke / Red-cowled Cardinal (Paroaria dominicana) perched on a tree branch, Piaui, Brazil. July.

Luiz Claudio Marigo / Yellow-billed Cardiinal (Paroaria capitata)Pantanal, Mato Grosso State, Western Brazil

Luiz Claudio Marigo / Yellow-billed Cardinal (Paroaria capitata) Pantanal, Mato Grosso State, Western Brazil.

Luiz Claudio Marigo / Yellow billed cardinal (Paroaria capitata) in tree, Pantanal, Brazil.

Hermann Brehm / Red-crested cardinal (Paroaria coronata) Pantanal, Brazil.

Hermann Brehm / Red-crested cardinal (Paroaria coronata) Pantanal, Brazil.

Angelo Gandolfi / Red-crested Cardinals (Paroaria coronata) on ground, Pantanal, Brazil, August

Angelo Gandolfi / Yellow-billed Cardinal (Paroaria capitata) group of three, Pantanal, Brazil

Glenn Bartley / Red-capped Cardinal (Paroaria gularis), Manu National Park, Peru

E.J. Peiker / Red-crested Cardinal (Paroaria coronata), Hawaii

Nick Garbutt / Yellow-billed cardinal (Paroaria capitata) perched on branch, Brazil

Hermann Brehm / Red-capped Cardinal (Paroaria gularis) male, Pantanal, Brazil

Ben Lascelles / Red-crested Cardinal (Paroaria coronata) on ground Costerna Sur, Buenos Aires, Argentina. October.

Diane McAllister / Red crested cardinal (Paroaria coronata) on sandy shore. Kona, Hawaii, USA, August

Suzi Eszterhas / Red-capped Cardinal (Paroaria gularis) calling, Pantanal, Brazil

Luiz Claudio Marigo / Red-cowled Cardinal (Paroaria dominicana) perched in Caatinga vegetation, at Hotel Farm Pai Mateus, near Cabaceiras town, interior of Paraaba State, Northeastern Brazil, December

Rod Williams / Pope Cardinal (Paroaria dominicana) perched on branch, from north east Brazil, Captive.

Rod Williams / Pope Cardinal (Paroaria dominicana) perched on branch, from north east Brazil, Captive.

Pete Oxford / Yellow-billed Cardinal (Paroaria capitata), Pantanal, Brazil

Pete Oxford / Yellow-billed Cardinal (Paroaria capitata), Pantanal, Brazil

Pete Oxford / Red-capped Cardinal (Paroaria gularis) juvenile, Orinoco River, Apure, Venezuela

Pete Oxford / Red-capped Cardinal (Paroaria gularis), Orinoco River, Apure, Venezuela

Pete Oxford / Red-capped Cardinal (Paroaria gularis), Orinoco River, Apure, Venezuela

Roy Mangersnes / Red-crested Cardinal (Paroaria coronata) Buenos Aires, Argentina, South America. November.

Suzi Eszterhas / Red-capped Cardinal (Paroaria gularis), Pantanal, Brazil

Juan Carlos Munoz / Yellow billed cardinal (Paroaria capitata) Pantanal NP, Mato Grosso, Brazil

Juan Carlos Munoz / Yellow billed cardinal (Paroaria capitata) Pantanal NP, Mato Grosso, Brazil

Matthew Maran / Red crested cardinal {Paroaria coronata} Pantanal, Brazil

Rolf Nussbaumer / Male Red-crested Cardinal (Paroaria coronata) singing, Honolulu, Hawaii, USA. August 1997

Barry Mansell / Red capped cardinal {Paroaria gularis} South America

Pete Oxford / Yellow-billed cardinal (Paroaria capitata) Pantanal, Brazil

Pete Oxford / Yellow-billed cardinal (Paroaria capitata) Pantanal, Brazil

Hermann Brehm / Red capped cardinal {Paroaria gularis} Pantanal, Brazil

Gabriel Rojo / Red crested cardinal {Paroaria coronata} Argentina

Agustin Esmoris / Red-crested Cardinal (Paroaria coronata), Provincial Reserve Luro Park, Argentina

Sebastian Kennerknecht / Yellow-billed Cardinal (Paroaria capitata), Ibera Provincial Reserve, Ibera Wetlands, Argentina

Thomas Marent / Yellow-billed Cardinal (Paroaria capitata), Pantanal, Mato Grosso, Brazil

Thomas Marent / Yellow-billed Cardinal (Paroaria capitata) trio, Pantanal, Mato Grosso, Brazil

Murray Cooper / Red-capped Cardinal (Paroaria gularis), Ecuador

Murray Cooper / Red-capped Cardinal (Paroaria gularis), Ecuador

Pete Oxford / Yellow-billed Cardinal (Paroaria capitata), Pantanal, Mato Grosso, Brazil

Roland Seitre / Red-crested cardinal (Paroaria coronata) perched on branch, Maalaea, Maui, Hawaii.

Roland Seitre / Yellow-billed cardinal (Paroaria capitata) perched on branch, Honaunau, Big Island, Hawaii.

Joel Sartore / Photo Ark / Red-capped cardinal (Paroaria gularis cervicalis) female, portrait, Miller Park Zoo. Captive, occurs in South America.

Joel Sartore / Photo Ark / Red-capped cardinal (Paroaria gularis cervicalis) female, portrait, Miller Park Zoo. Captive, occurs in South America.

Bruce Thomson / Yellow-billed cardinal (Paroaria capitata) perching on branch, Pocone, Brazil.

David Perpinan / Red-cowled cardinal (Paroaria dominicana) Bahia, Brazil, Cropped,