Francisco Piedrahita:
Pato Barcino, Yellow-billed Teal (Anas flavirostris)
Francisco Piedrahita:
Pato Picazo, Rosy-billed Pochard (Netta peposaca)
Francisco Piedrahita:
Pato Picazo, Rosy-billed Pochard (Netta peposaca)
Francisco Piedrahita:
Pato Picazo, Rosy-billed Pochard (Netta peposaca)
Francisco Piedrahita:
Pato Picazo, Rosy-billed Pochard (Netta peposaca)
Francisco Piedrahita:
Chiloe Wigeon (Mareca sibilatrix)
Francisco Piedrahita:
Chiloe Wigeon (Mareca sibilatrix)
Francisco Piedrahita:
Pato Crestón, Crested Duck (Anas specularioides) (Lophonetta specularioides)
Francisco Piedrahita:
Crested Duck (Lophonetta specularioides)
Francisco Piedrahita:
Crested Duck (Lophonetta specularioides)
Francisco Piedrahita:
Pato Crestón, Crested Duck (Anas specularioides) (Lophonetta specularioides)
Francisco Piedrahita:
Puna Teal (Anas puna)
Francisco Piedrahita:
Falkland Steamerduck, Falkland Steamer-Duck (Tachyeres brachypterus)
Francisco Piedrahita:
Falkland Steamerduck, Falkland Steamer-Duck (Tachyeres brachypterus)
Francisco Piedrahita:
Flightless Steamer-Duck, Magellanic Steamer Duck (Tachyeres pteneres)
Francisco Piedrahita:
Flying Steamer-Duck, Flying Steamerduck (Tachyeres patachonicus)
Francisco Piedrahita:
Black-necked Swan (Cygnus melanocoryphus)
Francisco Piedrahita:
Black-necked Swan (Cygnus melancoryphus)
Francisco Piedrahita:
Coscoroba Swan (Coscoroba coscoroba)
Francisco Piedrahita:
Upland Goose (Chloephaga picta)
Francisco Piedrahita:
Upland Goose (Chloephaga picta)
Francisco Piedrahita:
Upland Goose (Chloephaga picta)
Francisco Piedrahita:
Upland Goose (Chloephaga picta)
Francisco Piedrahita:
Kelp Goose (Chloephaga hybrida)
Francisco Piedrahita:
Kelp Goose (Chloephaga hybrida)
Francisco Piedrahita:
Guayata, Andean Goose (Oressochen melanopterus) (Chloephaga melanoptera)
Francisco Piedrahita:
Guayata, Andean Goose (Oressochen melanopterus) (Chloephaga melanoptera)
Francisco Piedrahita:
Ruddy-headed Goose (Chloephaga rubidiceps)
Francisco Piedrahita:
Ruddy-headed Goose (Chloephaga rubidiceps)
Francisco Piedrahita:
Ashy-headed Goose (Chloephaga poliocephala)
