Brent Stephenson / A cruise ship heads back up the Beagle Channel towards Ushuaia at the end of an Antarctic cruise. Beagle Channel, Tierra del Fuego Archipelago, South America, December.

Mark Carwardine / South American / Patagonian sealions on coast {Otaria flavescens} Tierra del Fuego, Argentina

Mark Carwardine / Magellanic / Jackass penguin colony {Spheniscus magellani} Tierra del Fuego,

Mark Carwardine / Magellanic / Jackass penguin colony {Spheniscus magellani} Tierra del Fuego,

Mark Carwardine / South American / Patagonian sealions on coast {Otaria flavescens} Tierra del Fuego, Argentina

Konrad Wothe / Ushuaia harbour, southernmost citiy of Argentina, Beagle-Channel, Tierra del Fuego, Argentina, South America. February 2007.

Konrad Wothe / Chapel and chilean flag at Cape Horn, Cape Horn National Park, Cape Horn Island, Terra del Fuego, Chile, South America. February

Konrad Wothe / Ushuaia, Southernmost city of Argentina, Beagle-Channel, Tierra del Fuego, Argentina, South America

Rick Tomlinson / SY "Adele", 180 foot Hoek Design, docked in Ushuaia during her expedition around Antarctica, January 2007. Non editorial uses must be cleared individually.

Brent Stephenson / South American Tern (Sterna hirundinacea) in breeding plumage, flying in evening light. Beagle Channel, Tierra del Fuego Archipelago, South America, January.

Brent Stephenson / Three Black-faced Ibis (Theristicus melanopis) in flight. Over the Beagle Channel, Tierra del Fuego Archipelago, South America, January.

Brent Stephenson / Three Black-faced Ibis (Theristicus melanopis) in flight. Over the Beagle Channel, Tierra del Fuego Archipelago, South America, January.

Brent Stephenson / Evening sun catching the clouds with snow-clad mountains. Beagle Channel, Tierra del Fuego Archipelago, South America, December.

Brent Stephenson / Clouds cloaking the shore of the Beagle Channel, Tierra del Fuego Archipelago, South America, December.

Rod Williams / Patagonian Crested Duck (Anas / Lophonetta specularoides specularoides) portrait. Captive. Endemic to Chile, Argentina, Tierra del Fuego and the Falkland Islands. UK, April.

Bryan and Cherry Alexander / Antarctic beech (Nothofagus antarctica) by the shore at Bahia Lapataia, Tierra del Fuego National Park. Argentina, October 2006.

Bryan and Cherry Alexander / Antarctic beech (Nothofagus antarctica) by the shore at Bahia Lapataia, Tierra del Fuego National Park. Argentina, October 2006.

Bryan and Cherry Alexander / Walkers descending along the trail between Antarctic Beech and Bahia Lapataia, Tierra del Fuego National Park, Argentina, October 2006.

Bryan and Cherry Alexander / Boardwalks along the shore at Bahia Lapataia, Tierra del Fuego National Park. Argentina, October 2006.

Doug Allan / Lonnberg's skua (Stercorarius antarcticus lonnbergi) sitting on nest near Ushuaia, Beagle Channel, Tierra del Fuego, Argentina.

Roy Mangersnes / Ringed Kingfisher (Megaceryle / Ceryle torquata) perched, Tierra Del Fuego, Argentina, South America. November.

Roy Mangersnes / Black-chinned Siskin (Carduelis barbata) pair in scrubland, Tierra Del Fuego, Argentina, South America. November.

Roy Mangersnes / Black-faceD Ibis (Theristicus melanopis) Tierra Del Fuego, Argentina, South America. November.

Roy Mangersnes / Black-faces Ibis (Theristicus melanopis) stretching wings, Tierra Del Fuego, Argentina, South America. November.

Roy Mangersnes / Flying Steamerduck (Tachyeres patachonicus) pair of the coast of Tierra Del Fuego, Argentina, South America. November.

Tui De Roy / Upland Goose (Chloephaga picta) pair in grassland, Tierra del Fuego National Park, Argentina

Tui De Roy / Southern Lapwing (Vanellus chilensis), Ushuaia, Tierra del Fuego, Argentina

Tui De Roy / Southern Lapwing (Vanellus chilensis), Ushuaia, Tierra del Fuego, Argentina

Tui De Roy / Patagonian Sierra-Finch (Phrygilus patagonicus), Ushuaia, Tierra del Fuego, Argentina

Tui De Roy / Magellanic Woodpecker (Campephilus magellanicus) male at nest entrance, in Southern Beech (Nothofagus sp), Tierra del Fuego National Park, Argentina

Tui De Roy / Magellanic Woodpecker (Campephilus magellanicus) male in Southern Beech (Nothofagus sp) forest, Tierra del Fuego National Park, Tierra del Fuego, Argentina

Tui De Roy / Magellanic Woodpecker (Campephilus magellanicus) male in Southern Beech (Nothofagus sp) forest, Tierra del Fuego National Park, Tierra del Fuego, Argentina

Tui De Roy / Magellanic Woodpecker (Campephilus magellanicus) female in Southern Beech (Nothofagus sp) forest, Ushuaia, Tierra del Fuego, Argentina

Tui De Roy / Magellanic Woodpecker (Campephilus magellanicus) male in Southern Beech (Nothofagus sp) forest, Tierra del Fuego National Park, Tierra del Fuego, Argentina

Tui De Roy / Magellanic Penguin (Spheniscus magellanicus) incubating eggs inside freshly dug burrow, Isla Martilla, Tierra del Fuego, Argentina

Tui De Roy / Magellanic Penguin (Spheniscus magellanicus), Isla Martilla, Tierra del Fuego, Argentina

Tui De Roy / Flightless Steamerduck (Tachyeres pteneres) pair on shore, Beagle Channel, Tierra del Fuego, Argentina

Tui De Roy / Magellanic Penguin (Spheniscus magellanicus), Isla Martilla, Tierra del Fuego, Argentina

Tui De Roy / Magellanic Penguin (Spheniscus magellanicus), Isla Martilla, Tierra del Fuego, Argentina

Tui De Roy / Magellanic Penguin (Spheniscus magellanicus), Isla Martilla, Tierra del Fuego, Argentina

Tui De Roy / Fire-eyed Diucon (Xolmis pyrope) in Southern Beech (Nothofagus sp) forest, Ushuaia, Tierra del Fuego, Argentina

Tui De Roy / Dolphin Gull (Leucophaeus scoresbii) pair, Beagle Channel, Tierra del Fuego, Argentina

Tui De Roy / Dolphin Gull (Leucophaeus scoresbii), Beagle Channel, Tierra del Fuego, Argentina

Tui De Roy / Southern Caracara (Caracara plancus), Beagle Channel, Tierra del Fuego, Argentina

Tui De Roy / Austral Parakeet (Enicognathus ferrugineus) in Southern Beech (Nothofagus sp) forest, Ushuaia, Tierra del Fuego, Argentina

Tui De Roy / Austral Parakeet (Enicognathus ferrugineus) investigating potential nest cavity in Southern Beech (Nothofagus sp) forest, Ushuaia, Tierra del Fuego, Argentina

Tui De Roy / Austral Parakeet (Enicognathus ferrugineus) feeding in Southern Beech (Nothofagus sp) forest canopy, Ushuaia, Tierra del Fuego, Argentina

Tui De Roy / Austral Parakeet (Enicognathus ferrugineus) foraging in Southern Beech (Nothofagus sp) forest understory, Ushuaia, Tierra del Fuego, Argentina

Tui De Roy / Austral Parakeet (Enicognathus ferrugineus) courting pair in Southern Beech (Nothofagus sp) forest, Ushuaia, Tierra del Fuego, Argentina

Tui De Roy / Austral Parakeet (Enicognathus ferrugineus) feeding in Southern Beech (Nothofagus sp) forest canopy, Ushuaia, Tierra del Fuego, Argentina

Gabriel Rojo / Passenger terminal in Ushuaia Port, the most southern city in the world, the point of departure for cruise ships and yachts leaving for the Antarctic Peninsula, Tierra del Fuego, Patagonia, Argentina,...

Gabriel Rojo / Sign posts at the tourist entrance in Ushuaia Port, the most southern city in the world, Tierra del Fuego, Patagonia, Argentina, January 2006

Gabriel Rojo / Ushuaia Port seen from a ship, the most southern city in the world, the point of departure for cruise ships and yachts leaving for the Antarctic Peninsula, Tierra del Fuego, Patagonia, Argentina, Janu...

Gabriel Rojo / Ushuaia Port, the most southern city in the world, the point of departure for cruise ships and yachts leaving for the Antarctic Peninsula, Tierra del Fuego, Patagonia, Argentina, January 2006

Hanne & Jens Eriksen / White rumped sandpiper {Calidris fuscicollis} winter plumage, Tierra del Fuego, Chile

Hanne & Jens Eriksen / Rufous chested dotterel {Charadrius modestus} Tierra del Fuego, Chile

Colin Monteath / Icefall reflection in lake beneath Frances Mountain, Tierra del Fuego, Chile

Colin Monteath / Sunset over Beagle Channel, Tierra del Fuego, Chile

Colin Monteath / Andean Condor (Vultur gryphus) flying over Frances Glacier, Tierra del Fuego, Chile

Colin Monteath / Andean Condor (Vultur gryphus) flying over Frances Glacier, Tierra del Fuego, Chile

Colin Monteath / Frances Glacier, Tierra del Fuego, Chile

Colin Monteath / South American Sea Lion (Otaria flavescens) breeding colony, Hoste Island, Tierra del Fuego, Chile

Colin Monteath / Darwin Range, Tierra del Fuego, Chile

Colin Monteath / Moss formations on boulders, Tierra del Fuego, Chile

Colin Monteath / Darwin Range reflected in lake, Tierra del Fuego, Chile

Colin Monteath / Darwin Range, Tierra del Fuego, Chile

Colin Monteath / Darwin Range, glacier and lake, Tierra del Fuego, Chile

Colin Monteath / Yachts anchored near Darwin Range, Tierra del Fuego, Chile

Colin Monteath / Darwin Range and glacier, Tierra del Fuego, Chile

Colin Monteath / Ski tourer overlooking fjord, Tierra del Fuego, Chile

Colin Monteath / Frances Glacier, Tierra del Fuego, Chile

Luciano Candisani / Southern King Crab (Lithodes antarctica) face, Tierra Del Fuego, Argentina

Chris Gomersall / Port and city of Ushuaia taken from the air, Tierra del Fuego, Argentina. January 2007.

Chris Gomersall / Chimango caracara (Milvago chimango) on lookout post. Ushuaia, Tierra del Fuego, Argentina.

Chris Gomersall / Southern beech (Nothofagus sp.) trees in temperate rainforest. Tierra del Fuego National Park, Argentina.

Chris Gomersall / Dark-bellied cinclodes (Cinclodes patagonicus) catching insects on shore. Tierra del Fuego, Argentina.

Chris Gomersall / Patagonian sierra-finch (Phrygilus patagonicus) Tierra del Fuego, Argentina.

Chris Gomersall / Southern beech (Nothofagus) forest in Tierra del Fuego National Park. Beagle Channel, Tierra del Fuego, Argentina. January 2007.

Chris Gomersall / Culpeo / South American red fox (Pseudalopex / Dusicyon culpaeus). Tierra del Fuego, Argentina.

Chris Gomersall / Long-tailed meadowlark (Sturnella loyca) male. Tierra del Fuego, Argentina.

Chris Gomersall / Rainbow over Southern beech (Nothofagus) forest in Tierra del Fuego National Park. Beagle Channel, Tierra del Fuego, Argentina. January 2007.

Patricio Robles Gil / Bay at low tide, Tierra del Fuego, Patagonia, Argentina

Kim Taylor / Ushuaia, at the foot of the Andes, showing glacial corrie and treeline, Tierra del Fuego, Southern Argentina.

LYNN M. STONE / Ushuaia, the capital of the Argentine province of Tierra del Fuego, and the world's southernmost city, Argentina

Hanne & Jens Eriksen / Baird's Sandpiper {Calidris bairdii} Tierra del Fuego, Chile.

Hanne & Jens Eriksen / Baird's Sandpiper {Calidris bairdii} Tierra del Fuego, Chile.

Hanne & Jens Eriksen / Magellanic Plover {Pluvianellus socialis} adult at water edge, Tierra Del Fuego, Chile.

Hanne & Jens Eriksen / Baird's sandpiper {Calidris bairdii} Tierra del Fuego, Chile

Hanne & Jens Eriksen / Baird's sandpiper {Calidris bairdii} Tierra del Fuego, Chile

Colin Monteath / Antarctic cruise ships in Ushuaia Harbor, summer, Tierra del Fuego, Argentina

Colin Monteath / Windstorm over ocean in Beagle Channel, Tierra del Fuego, Argentina

Patricio Robles Gil / Ashy headed goose {Chloephaga poliocephala} Tierra del Fuego, Chile

Paul D Stewart / Illustration of mythical creature, The Su, 1627 woodblock engraving from Sebastian Munster's account of the New World from the Cosmographia. German edition of 1627 dealing with the navigation of Magel...

Onne van der Wal / A marker in the Beagle channel with snow covered mountain behind, Tierra del Fuego, South America.

Onne van der Wal / Lighthouse on Beagle Channel, Tierra del Fuego, southern Chile.

Roberto Rinaldi / Expedition yacht "Kotick" in Ushuaia, the point of departure for yachts leaving for the Antarctic Peninsula, Argentina.