Claudio Gonzales Rodriguez/ BIA / Mountain Caracara (Phalcoboenus megalopterus), Santiago, Chile

Bernard Castelein / Mountain caracara (Phalcoboenus megalopterus) on ground, Laguna Canapa, Altiplano, Bolivia

Bernard Castelein / Mountain Caracara (Phalcoboenus megalopterus) Laguna Canapa, Altiplano, Bolivia

Bernard Castelein / Mountain Caracara (Phalcoboenus megalopterus) Laguna Canapa, Altiplano, Bolivia

Bernard Castelein / Mountain Caracara (Phalcoboenus megalopterus) taking off, Laguna Canapa, Altiplano, Bolivia

Bernard Castelein / Mountain caracara (Phalcoboenus megalopterus) in flight, Laguna Canapa, Altiplano, Bolivia

Bernard Castelein / Mountain caracara (Phalcoboenus megalopterus) Laguna Canapa, Altiplano, Bolivia

Gabriel Rojo / Mountain caracara (Phalcoboenus megalopterus) perched on rock, Torres del Paine National Park, Chile, June.

Gabriel Rojo / Mountain caracara (Phalcoboenus megalopterus) perched on rock, Torres del Paine National Park, Chile, June .

Daniel Heuclin / Mountain caracara (Phalcoboenus megalopterus) standing near the Titicaca lake. Bolivia.

Daniel Heuclin / Mountain caracara (Phalcoboenus megalopterus) standing, near Titicaca lake, Bolivia.

Daniel Heuclin / Mountain caracara (Phalcoboenus megalopterus) near Titicaca lake. Bolivia.

Daniel Heuclin / Mountain caracara (Phalcoboenus megalopterus) standing portrait, near Titicaca lake, Bolivia.

Roy Mangersnes / Mountain caracara (Phalcoboenus megalopterus) in flight in the Andean mountains near Valle Nevado, Santiago, Chile. October.

Sebastian Kennerknecht / Chimango Caracara (Milvago chimango) male, Puerto Natales, Patagonia, Chile

Sebastian Kennerknecht / Chimango Caracara (Milvago chimango) male, Puerto Natales, Patagonia, Chile

Murray Cooper / Carunculated Caracara (Phalcoboenus carunculatus) flying, Andes, Ecuador

Roland Seitre / Mountain caracara (Phalcoboenus megalopterus) perched on rock, La Paz region, Bolivia.

Roland Seitre / Mountain caracara (Phalcoboenus megalopterus) perched on rock, La Paz region, Bolivia.

Roland Seitre / Two Mountain caracaras (Phalcoboenus megalopterus) perched on rock, La Paz region, Bolivia.

Nick Garbutt / Puma cub (Puma concolor), aged nine months, on snow-covered hillside with two White-throated caracaras (Phalcoboenus albogularis), perched on rock and in flight above, Torres del Paine National Park /...

Nick Garbutt / Puma (Puma concolor) cub, aged nine months, chasing scavenging White-throated Caracaras (Phalcoboenus albogularis), Torres del Paine National Park / Estancia Laguna Armarga, Patagonia, Chile.

Roland Seitre / Mountain Caracara (Phalcoboenus megalopterus), Bolivia

Roland Seitre / Mountain Caracara (Phalcoboenus megalopterus), Bolivia