Frederique Olivier / Close up of a pair of Magellan geese (Chloephaga picta) walking and looking around, West Point Island, Falkland Islands.

Frederique Olivier / Flock of Magellan geese (Chloephaga picta) swimming, West Point Island, Falkland Islands.

Frederique Olivier / Family of Magellan geese (Chloephaga picta) swimming, West Point Island, Falkland Islands.

Frederique Olivier / Magellan geese (Chloephaga picta) feeding and looking around, West Point Island, Falkland Islands.

Frederique Olivier / Magellan goose (Chloephaga picta) feeding, New Island, Falkland Islands.

Ingo Arndt / Magellan goose {Chloephaga picta} with goslings beside water, Torres del Paine NP, Patagonia, Chile

Sylvain Cordier / Magellan goose (Chloephaga picta), group in flight, Santa Cruz province, Argentina

Jose B. Ruiz / Magellan goose (Chloephaga picta) males, Torres del Paine. Patagonia, Puerto Natales, Chile.

Jose B. Ruiz / Magellan goose (Chloephaga picta) male, Torres del Paine. Patagonia, Puerto Natales, Chile.

Mike Read / Upland goose (Chloephaga picta leucoptera) pair with goslings, Bleaker Island, Falkland Islands. November.

Gabriel Rojo / Upland goose (Chloephaga picta) Tierra del Fuego, Patagonia, Argentina

Brent Stephenson / Male Upland goose (Chloephaga picta) profile, Tierra del Fuego National Park, Tierra del Fuego, South America, December.