Ingo Arndt / Upland Goose (Chloephaga picta) male stretching, Torres del Paine National Park, Patagonia, Chile

Gabriel Rojo / Ashy headed geese {Chloephaga poliocephala} Lanin NP, Argentina

Ingo Arndt / Upland goose (Chloephaga picta) pair. Torres del Paine National Park, Patagonia, Chile. August.

John Shaw / Snow goose (Chen caerulescens) about to land. Bosque del Apache National Wildlife Refuge, New Mexico. USA, January.

Agustin Esmoris / Upland Goose (Chloephaga picta) male feeding on grass, Argentina

Agustin Esmoris / Kelp Goose (Chloephaga hybrida) male feeding on seaweed, Falkland Islands

Agustin Esmoris / Kelp Goose (Chloephaga hybrida) female feeding on seaweed, Falkland Islands

Ingo Arndt / Upland Goose (Chloephaga picta) male calling, Torres del Paine National Park, Patagonia, Chile

Ingo Arndt / Upland Goose (Chloephaga picta) male stretching, Torres del Paine National Park, Patagonia, Chile

Glenn Bartley/ BIA / Ashy-headed Goose (Chloephaga poliocephala), Andes, Chile

Glenn Bartley/ BIA / Upland Goose (Chloephaga picta) male, Andes, Chile

Ashley Cooper / Kelp goose (Chloephaga hybrida) pair at Gypsy cove, near Port Stanley, Falklands slands.