Tony Heald / South Georgia pintail (Anas georgica georgica) swimming in front of Southern elephant seal (Mirounga leonina), male. Gold Harbour, South Georgia. October.

Tony Heald / South Georgia pintail (Anas georgica georgica) pair, one preening. Gold Harbour, South Georgia. October.

Mary McDonald / South georgia pintail (Anas georgica georgica) Godthul, South Georgia, South Atlantic

Mike Potts / South Georgia pintail (Anas georgica) feeding in a stream. Grytviken Harbour, South Georgia.

Mike Potts / South Georgia pintail (Anas georgica) feeding in a stream, metal and wood in background from old whaling station. Grytviken Harbour. South Georgia.

Bernard Castelein / Yellow-billed teal (Anas georgica) at Laguna Hedionda, between Polques and Quetena, Altiplano, Bolivia

Bernard Castelein / Yellow-billed teal (Anas georgica) on shore of Laguna Hedionda, Altiplano, Bolivia

Bernard Castelein / Yellow-billed teal (Anas georgica) Laguna Hedionda, Altiplano, Bolivia

Roy Mangersnes / Yellow-billed pintail (Anas georgica) on a small lake, Salisbury Plains, South Georgia.

Rick Price / Yellow-billed or Brown Pintail Duck (Anas georgica georgica), Cumberland Bay, Grytviken, South Georgia. January.

Rick Price / Two South Georgia pintail ducks (Anas georgica georgica) in snow, endemic species, King Haakon Bay, Peggoty Bluff, South Georgia, Antarctica. November.

Mark Carwardine / Yellow-billed / South Georgia pintail (Anas georgica), Grytviken, South Georgia, November

Mark Carwardine / Yellow-billed / South Georgia pintail (Anas georgica), Grytviken, South Georgia, November

David Tipling / South Georgia Pintail (Anas georgica georgica) taking off, Holmestrand, South Georgia January

David Tipling / South Georgia Pintails (Anas georgica georgica) three female swimming, Holmestrand, South Georgia January

David Tipling / South Georgia pintail (Anas georgica georgica) female with brood of ducklings, Albatross Island, South Georgia January

Gabriel Rojo / Yellow-billed pintail, (Anas georgica) in flight. La Pampa, Argentina

Gabriel Rojo / Yellow-billed pintail, (Anas georgica) two on water, La Pampa, Argentina

Gabriel Rojo / Yellow-billed pintail, (Anas georgica) on water, La Pampa, Argentina

Gabriel Rojo / Yellow-billed pintail, (Anas georgica) stretching feathers, La Pampa, Argentina

Gabriel Rojo / Yellow-billed pintail, (Anas georgica) on water, La Pampa, Argentina

Gabriel Rojo / Yellow-billed pintail, (Anas georgica), La Pampa, Argentina

Brent Stephenson / Yellow-billed pintail / South Georgia pintail (Anas georgica georgica) standing in a shallow stream, Salisbury Plain, South Georgia, South Atlantic, January. Endemic species.

Gabriel Rojo / Georgian teal / Brown pintail duck pair on nest {Anas georgica} La Pampa, Argentina

Doug Gimesy / Yellow-billed pintail (Anas georgica) on water, South Georgia and the South Sandwich Islands, British overseas territory. Cropped.

Ben Cranke / King penguins (Aptenodytes patagonicus) congregate to rest, while a flock of South Georgia pintail (Anas georgica georgica) fly overhead. St Andrew's Bay, South Georgia Island

Ben Cranke / South Georgia pintail (Anas georgica georgica) yawning, Ocean Harbour, South Georgia Island.

Ben Cranke / South Georgia pintail (Anas georgica georgica). Stromness Bay, South Georgia Island

Ben Cranke / South Georgia pintails (Anas georgica georgica) flying, Stromness Bay, South Georgia Island

Ben Cranke / A South Georgia pintail (Anas georgica georgica) flying over King Edward Cove, South Georgia Island.