Gabriel Rojo / Roadside hawk {Buteo magnirostris} La Pampa, Argentina

Gabriel Rojo / Roadside hawk {Buteo magnirostris} La Pampa, Argentina

Gabriel Rojo / Roadside hawk {Buteo magnirostris} la Pampa, Argentina

Bernard Castelein / Roadside hawk (Rupornis magnirostris), between Rurrenabaque and Sancta Rosa, Bolivia

David Perpinan / Roadside hawk (Buteo magnirostris) perched in a tree, Pantanal, Mato Grosso do Sul, Brazil.

Gabriel Rojo / Roadside hawk (Buteo magnirostris ) perched, Ibera Marshes, Corrientes Province, Argentina

Gabriel Rojo / Roadside hawk (Rupornis magnirostris) perched on fence post, Ibea Marshes, Corrientes Province, Argentina

Thomas Marent / Roadside Hawk (Buteo magnirostris), Los Llanos, Colombia

Barrie Britton / Roadside hawk (Rupornis magnirostris), Fazenda Baia das Pedras, Pantanal, Brazil. Taken on location for BBC Wild Brazil series.

Glenn Bartley / Roadside Hawk (Buteo magnirostris), Costa Rica

Luiz Claudio Marigo / Roadside Hawk (Rupornis magnirostris) in tree, Pantanal, Mato Grosso State, Western Brazil.

David Pattyn / Roadside Hawk (Buteo magnirostris) catching a fish from river, Pantanal, Mato Grosso, Brazil, August