The Andean Condor (Vultur gryphus), province of Salta, Argentina

The Andean Condor (Vultur gryphus), province of Salta, Argentina

The Andean Condor (Vultur gryphus), province of Salta, Argentina

Andean Condors (Vultur gryphus), province of Salta, Argentina

The Andean Condor (Vultur gryphus), province of Salta, Argentina

The Andean condor's guano, skeleton, province of Salta, Argentina

Crested duck (Lophonetta specularioides) on the Altiplano of Catamarca, Argentina

Donkeys, on the Altiplano (Puna) of the province of Jujuy, Argentina

Ducks, on the Laguna de los Pozuelos National Park, on the Altiplano (Puna) of the province of Jujuy, Argentina

Ducks, on the Laguna de los Pozuelos National Park, on the Altiplano (Puna) of the province of Jujuy, Argentina

Ducks on frozen lake, near Antofagasta de la Sierra, on the Altiplano (Puna) of Catamarca, Argentina

Ducks running over water, winter, near Antofagasta de la Sierra, on the Altiplano (Puna) of Catamarca, Argentina

Ducks running over water, winter, near Antofagasta de la Sierra, on the Altiplano (Puna) of Catamarca, Argentina

Flamingoes on the Laguna de Vilama (4,500 m of altitude), on the Altiplano (Puna) of the province of Jujuy, Argentina

Flamingoes on the Laguna de Vilama (4,500 m of altitude), on the Altiplano (Puna) of the province of Jujuy, Argentina

Flamingoes on the Laguna de Vilama (4,500 m of altitude), on the Altiplano (Puna) of the province of Jujuy, Argentina