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

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

Mike Read / Striated caracara (Phalcoboenus australis) group searching for food amongst seaweed, Saunders Island, Falkland Islands, November.

Claudio Contreras / Striated caracara (Phalcoboenus australis) group with one landing from above with only wings and tail visible. Carcass Island, Falkland Islands, October

Claudio Contreras / Striated caracara (Phalcoboenus australis) flying, Carcass Island, Falkland Islands, October

Claudio Contreras / Striated caracara (Phalcoboenus australis) fighting, Carcass Island, Falkland Islands, October

Claudio Contreras / Striated caracara (Phalcoboenus australis) flying, Carcass Island, Falkland Islands, October

Claudio Contreras / Striated caracara (Phalcoboenus australis) flying, Carcass Island, Falkland Islands, October

Claudio Contreras / Striated caracara (Phalcoboenus australis) fighting, Carcass Island, Falkland Islands, October

Claudio Contreras / Striated caracara (Phalcoboenus australis) fighting, Carcass Island, Falkland Islands, October

Claudio Contreras / Striated caracara (Phalcoboenus australis), Carcass Island, Falkland Islands, October

Claudio Contreras / Striated caracara (Phalcoboenus australis), Sea Lion Island, Falkland Islands, October