Bence Mate / Hooded crow (Corvus cornix) mobbing Buzzard (Buteo buteo) Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. January.

Tony Heald / Black-chested buzzard-eagle (Geranoaetus melanoleucus) in flight. Bird of Prey Centre, UK. Captive.

Tony Heald / Black-chested buzzard-eagle (Geranoaetus melanoleucus), portrait. Bird of Prey Centre, UK. Captive.

Gabriel Rojo / Black-chested Buzzard-eagle (Geranoaetus melanoleucus) juvenile portrait, La Pampa, Argentina

Hermann Brehm / Black-chested buzzard-eagle (Geranoaetus melanoleucus), perched above lake, Chile. March.

Gabriel Rojo / Black-chested buzzard-eagle (Geranoaetus melanoleucus) feeding on a fence post, La Pampa, Argentina

Ole Jorgen Liodden / Black-chested buzzard-eagle (Geranoaetus melanoleucus) immature, perched on snag, Tierra del Fuego, Argentina

Philippe Clement / Black-chested buzzard-eagle (Geranoaetus melanoleucus) portrait, captive. Occurs in South America.