Staffan Widstrand / Steller's eider duck (Polysticta stelleri) Batsfjord village harbour with red reflections on the water, Varanger Peninsula, Norway, March.

Espen Bergersen / Male Steller's eider (Polysticta stelleri) drinking on water with reflections of nearby buildings. Batsfjord, Norway. March.

Markus Varesvuo / Steller's Eider (Polysticta stelleri) ducks, males and females, in flight. Norway, March

Markus Varesvuo,Markus Varesvuo / Flock of Steller's eiders (Polysticta stelleri) in flight, Batsfjord, Norway, March.

MIKE POTTS,Mike Potts / Stellers Eider (Polysticta stelleri) a small group in flight, near Vardo. North Norway, March.

Olga Kamenskaya / Steller's eider (Polysticta stelleri) flock flying in the upper reaches of the Lena River. Flock of ducks, Baikalo-Lensky Reserve, Siberia, Russia, September

Markus Varesvuo / Steller's eider (Polysticta stelleri) female on water, Norway Batsfjord March

Markus Varesvuo / Steller's eider (Polysticta stelleri) male on water, Norway Batsfjord March

Markus Varesvuo / Steller's eider (Polysticta stelleri) female on water, Norway Batsfjord March

Markus Varesvuo / Steller's eider (Polysticta stelleri) male and female on water, Norway Batsfjord March

Markus Varesvuo / Steller's eider (Polysticta stelleri) male on water, Norway Batsfjord March

Jussi Murtosaari / Steller's eider (Polysticta stelleri), male in winter, Batsford, Norway, April.

Jussi Murtosaari / Steller's eider (Polysticta stelleri), male in winter, Batsfjord, Norway, April.

Jussi Murtosaari / Steller's eider (Polysticta stelleri), female in winter, Finland, February.

Erlend Haarberg / Male Steller's eider duck (Polysticta stelleri) on water, Batsfjord, Finnmark. Norway, March. Vulnerable species.

David Pattyn / Steller's eider (Polysticta stelleri) female on water, Batsfjord, Finnmark, Norway, April.

David Pattyn / Steller's eider (Polysticta stelleri) male on water, Batsfjord, Finnmark, Norway, April.

Espen Bergersen / Male Steller's Eider (Polysticta stelleri) Batsfjord, Norway. March.

Espen Bergersen / Male Steller's Eider (Polysticta stelleri) in snow fall. Batsfjord, Norway. March.

Espen Bergersen / Male Steller's Eider (Polysticta stelleri) on water, Batsfjord, Norway. March.

Espen Bergersen / Male Steller's Eider (Polysticta stelleri) in snow fall. Batsfjord, Norway. March.

Espen Bergersen / Male Steller's Eider (Polysticta stelleri) resting with beak under wing, Batsfjord, Norway. March.

Espen Bergersen / Male Steller's Eider (Polysticta stelleri) drinking from water, Batsfjord, Norway. March.

Espen Bergersen / Male Steller's Eider (Polysticta stelleri) diving. Batsfjord, Norway. March.

Espen Bergersen / Male Steller's Eider (Polysticta stelleri) diving. Batsfjord, Norway. March.

Espen Bergersen / Male Steller's Eider (Polysticta stelleri) diving. Batsfjord, Norway. March.

Espen Bergersen / Female Steller's eider (Polysticta stelleri) Batsfjord, Norway. March.

Espen Bergersen / Male Steller's Eider (Polysticta stelleri) on water with reflections of nearby buildings. Batsfjord, Norway. March.

Espen Bergersen / Flock of Steller's eiders (Polysticta stelleri) floating on wave, Finnmark, Norway. March.

Espen Bergersen / Flock of Steller's Eiders (Polysticta stelleri) resting on shore. Finnmark, Norway. March.

Markus Varesvuo / Steller's Eider (Polysticta stelleri) duck female in flight over water. Norway, March

Markus Varesvuo / Steller's Eider (Polysticta stelleri) duck male in flight over water. Norway. March

Markus Varesvuo / Steller's Eider (Polysticta stelleri) duck female in flight over water. Norway, March

Markus Varesvuo / Steller's Eider (Polysticta stelleri) ducks, male and female, on water. Norway. March

Markus Varesvuo / Steller's Eider (Polysticta stelleri) duck female in flight over water. Norway. March

Markus Varesvuo / Steller's Eider (Polystitca stelleri) duck male in flight. Norway, April

Markus Varesvuo / Steller's Eider (Polysticta stelleri) ducks, male and female, in flight. Norway, March

Markus Varesvuo / Steller's Eider (Polysticta stelleri) ducks, males and females in water. Norway, March

Markus Varesvuo / Steller´s Eider duck (Polysticta stelleri) male, Norway

Markus Varesvuo / Steller´s Eider duck (Polysticta stelleri) swimming against water current, Norway

Markus Varesvuo / Steller´s Eider duck (Polysticta stelleri) male flying, Norway

Markus Varesvuo / Steller's eider duck (Polysticta stelleri) flying, Norway. Magic Moments book plate.

Markus Varesvuo / Steller´s Eider duck (Polysticta stelleri) two males, Norway

Markus Varesvuo / Flock of Steller´s Eider duck (Polysticta stelleri) flying, Norway

Markus Varesvuo / Steller's Eider ducks (Polysticta stelleri) female (foreground) and male, Norway

Markus Varesvuo / Steller´s Eider duck (Polysticta stelleri) female flying, Norway

Markus Varesvuo / Steller´s Eider duck (Polysticta stelleri) male flying, Norway

Markus Varesvuo / Steller´s Eider duck (Polysticta stelleri) female flying, Norway

Paul Hobson / Steller's Eider (Polysticta stelleri) diving underwater, Varanger, Norway, March.

Paul Hobson / Steller's Eider (Polysticta stelleri) portrait, Varanger, Norway, March.

E.J. Peiker / Steller's Eider (Polysticta stelleri), Alaska

Markus Varesvuo / Male Steller's eider (Polysticta stelleri), Batsfjord, Norway, March

Markus Varesvuo / Male Steller's eider (Polysticta stelleri), Batsfjord, Norway, March

Mike Potts / Stellers Eider (Polysticta stelleri) a small group resting on an ice flow, Batsfiord. North Norway, March.

Mike Potts / Stellers Eider (Polysticta stelleri) a large group resting on an ice flow, Batsfiord. North Norway, March.

Mike Potts / Stellers Eider (Polysticta stelleri) single male on still water with reflections, Batsfiord. North Norway, March.

Mike Potts / Stellers Eider (Polysticta stelleri) a small group on sea surface with displaying males, Batsfiord. North Norway, March.

Mike Potts / Stellers Eider (Polysticta stelleri) a small group with displaying males, Batsfiord. Northern Norway, March.

Danny Green / Steller's Eider (Polysticta stelleri) male swimming, Varangerfjord, Norway, April, Vulnerable species. Bookplate from Danny Green's 'The Long Journey North'

Markus Varesvuo / Steller's Eider (Polysticta stelleri) males and females on water. Norway, March. Magic Moments book plate, page 130-131.

David Tipling / Steller's Eider {Polysticta stelleri} males and females on water, Varanger Fjord, Norway, March

David Tipling / Steller's eider duck (Polysticta stelleri) in flight, Vado, Varanger, Norway, Europe, vulnerable species

David Tipling / Steller's eider ducks (Polysticta stelleri) taking off from water, Vado, Varanger, Norway, Europe, vulnerable species

Roy Mangersnes / Steller's eider duck (Polysticta stelleri) male on breeding lake off Point Barrow, National Petroleum Reserves, Arctic Alaska USA. June

Roy Mangersnes / Steller's eider duck (Polysticta stelleri) male on ice by breeding lake off Point Barrow, National Petroleum Reserves, Arctic Alaska, USA. June

Roy Mangersnes / Steller's eider duck (Polysticta stelleri) pair at freshwater lake, National Petroleum Reserves, off Point Barrow, Arctic Alaska, USA

Steven Kazlowski / Steller's eider duck (Polysticta stelleri) male along a freshwater lake, National Petroleum Reserves, off Point Barrow, Arctic Alaska

Steven Kazlowski / Steller's eider (Polysticta stelleri) male on tundra in the National Petroleum Reserves, outside Point Barrow, Arctic Alaska

Steven Kazlowski / Steller's eider (Polysticta stelleri) male on tundra in the National Petroleum Reserves, outside Point Barrow, Arctic Alaska

Steven Kazlowski / Steller's eider (Polysticta stelleri) male on tundra in the National Petroleum Reserves, outside Point Barrow, Arctic Alaska

Staffan Widstrand / Steller's eider duck male stretching wing {Plysticta stelleri} Vardo, Norway.

Andres M. Dominguez / Steller's eider duck (Polysticta stelleri) four males and one female, Batsfjord, Norway. March