Bernard Castelein / Yellow-headed caracara (Milvago chimachima) , Pampas del Yacuma Protected Area, Bolivia

Murray Cooper / Yellow-headed Caracara (Milvago chimachima) calling, South America

Thomas Marent / Yellow-headed Caracara (Milvago chimachima), Los Llanos, Colombia

Thomas Marent / Yellow-headed Caracara (Milvago chimachima), Mamiraua Reserve, Amazon, Brazil

Nate Chappell/ BIA / Yellow-headed Caracara (Milvago chimachima) on Capybara (Hydrochoerus hydrochaeris), Argentina

Christophe Courteau / Yellow-Headed Caracara (Milvago chimachima cordatus) feeding on parasitic ticks from Capybara (Hydrochoeris hydrochaeris) Hato El Cedral, Llanos, Venezuela.

Christophe Courteau / Yellow-Headed Caracara (Milvago chimachima cordatus) feeding on parasitic ticks from Capybara (Hydrochoeris hydrochaeris) Hato El Cedral, Llanos, Venezuela.

Christophe Courteau / Yellow-Headed Caracara (Milvago chimachima) Hato El Cedral, Llanos, Venezuela.

Ben Lascelles / Yellow-headed Caracara (Milvago chimachima) juvenile. Gamboa, Soberania National Park, Panama.

Ben Lascelles / Yellow-headed Caracara (Milvago chimachima) juvenile. Gamboa, Soberania National Park, Panama.

Ben Lascelles / Yellow-headed Caracara (Milvago chimachima). Gamboa, Soberania National Park, Panama.

Hiroya Minakuchi / Yellow-headed Caracara (Milvago chimachima), Costa Rica

Pete Oxford / Yellow headed caracara {Milvago chimachima} perched, Cerrado habitat, Brazil

Pete Oxford / Yellow-headed caracara {Milvago chimachima} Cerrado, Piaui state, Brazil

Pete Oxford / Yellow-headed caracara {Milvago chimachima} Cerrado, Piaui state, Brazil

Pete Oxford / Yellow-headed Caracara (Milvago chimachima) perching in tree, Cerrado habitat, Brazil

Tui De Roy / Yellow-headed Caracara (Milvago chimachima) perched in treetop in typical Cerrado habitat, Serra de Canastra National Park, Brazil

Gabriel Rojo / Yellow headed / Chimango caracara {Milvago chimachima} perched, Argentina

Gabriel Rojo / Yellow headed / Chimango caracara {Milvago chimachima} chicks in nest, Argentina

Gabriel Rojo / Yellow headed / Chimango caracara {Milvago chimachima} Argentina

Hermann Brehm / Yellow headed caracara {Milvago chimachima} perched, Llanos del Orinoco, Venezuela

Gabriel Rojo / Yellow headed / Chimango caracara chicks in nest {Milvago chimachima} Argentina

Peter Waechtershaeuser/ BIA / Yellow-headed Caracara (Milvago chimachima) on Capybara (Hydrochoerus hydrochaeris), Pantanal, Brazil

Robin Chittenden / Yellow-headed caracara (Milvago chimachima) on branch, Trinidad, April

Pete Oxford / Yellow headed caracara {Milvago chimachima} Cerrado habitat Brazil

Joel Sartore / Photo Ark / Yellow-headed caracara (Milvago chimachima chimachina) head portrait, Quistococha Zoo, Peru. Captive.

Joel Sartore / Photo Ark / Yellow-headed caracara (Milvago chimachima chimachina) head portrait, Quistococha Zoo, Peru. Captive.

Joel Sartore / Photo Ark / Yellow-headed caracara (Milvago chimachima chimachina) portrait, Quistococha Zoo, Peru. Captive.

David Pattyn / Yellow-headed caracaras (Milvago chimachima) pair perched on palm frond, Tayrona National Park, Magdalena, Colombia.

Roland Seitre / Yellow-headed caracara (Milvago chimachima) standing on sandy ground, Carara National Park, Tarcoles, Costa Rica.

Joel Sartore / Photo Ark / Yellow-headed caracara (Milvago chimachima) close up of head looking around, Quistococha Zoo. Captive.

Cyril Ruoso / Yellow-headed caracara (Milvago chimachima) feeding on dead fish on beach. Osa Peninsula, Costa Rica.

Konrad Wothe / Yellow-headed caracara (Milvago chimachima) rainforest near Manaus, Amazon Basin, Brazil.

David Pattyn / Yellow-headed Caracara (Milvago chimachima) portrait Tarcoles, Costa Rica

David Pattyn / Yellow-headed Caracara (Milvago chimachima) feeding Tarcoles, Costa Rica