Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) female and male on water, Iceland. June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) male on water, Iceland. June

Connor Stefanison / Barrow's Goldeneye (Bucephala islandica) taking flight, British Columbia, Canada

Espen Bergersen / Barrow's goldeneye (Bucephala islandica) in partly frozen lake. Iceland, May.

Alan Murphy/ BIA / Barrow's Goldeneye (Bucephala islandica) male flying, Alaska

Alan Murphy/ BIA / Barrow's Goldeneye (Bucephala islandica) male and female flying, British Columbia, Canada

Steve Gettle / Barrow's Goldeneye (Bucephala islandica) male stretching, Yellowstone National Park, Wyoming

Steve Gettle / Barrow's Goldeneye (Bucephala islandica) female and male, Yellowstone National Park, Wyoming

Steve Gettle / Barrow's Goldeneye (Bucephala islandica) male, Yellowstone National Park, Wyoming

Steve Gettle / Barrow's Goldeneye (Bucephala islandica) male and female, Yellowstone National Park, Wyoming

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) male on water, Iceland. June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) female on water, Iceland. June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) female with male displaying, Iceland June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) female on water, Iceland June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) male on water, Iceland June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) male with female displaying on water, Iceland. June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) female on water, Iceland June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) male courtship display on water, Iceland. June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) pair in flight over water, Iceland. June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) male, Iceland June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) pair taking off from water, Iceland. June

Glenn Bartley / Barrow's Goldeneye (Bucephala islandica) male, British Columbia, Canada

Glenn Bartley / Barrow's Goldeneye (Bucephala islandica) male flying, British Columbia, Canada

Glenn Bartley / Barrow's Goldeneye (Bucephala islandica) male, British Columbia, Canada

Jan Wegener / Barrow's Goldeneye (Bucephala islandica) drake, British Columbia, Canada

Glenn Bartley / Barrow's Goldeneye (Bucephala islandica) male, British Columbia, Canada

Erlend Haarberg / Three Barrow's goldeneye ducks (Bucephala islandica) in flight, two males and one female, Iceland, June

Erlend Haarberg / Barrow's goldeneye (Bucephala islandica) pair on rock, Iceland, June

Erlend Haarberg / Female Barrow's goldeneye (Bucephala islandica) with male behind, Iceland, June

Erlend Haarberg / Male Barrow's goldeneye (Bucephala islandica) on water displaying, Iceland, June

Gerrit Vyn / Barrow's Goldeneye (Bucephala islandica) adult female swimming, Okanogan County, Washington, USA April

Gerrit Vyn / Barrow's Goldeneye duck pair (Bucephala islandica) male infront of female, Okanogan County, Washington, USA April

Gerrit Vyn / Barrow's Goldeneye (Bucephala islandica) adult female swimming, Okanogan County, Washington, USA April

Michael Quinton / Barrow's Goldeneye (Bucephala islandica) pair mating, Alaska

Michael Quinton / Barrow's Goldeneye (Bucephala islandica) female courting male, Alaska

Steve Knell / Pair of Barrows Goldeneye (Bucephala islandica) swimming together, Iceland, May

Steve Knell / Barrows Goldeneye (Bucephala islandica) portrait of female on water. Iceland, May

Steve Knell / Barrows Goldeneye (Bucephala islandica) female calling on water, Iceland, May

Steve Knell / Barrows Goldeneye ( Bucephala islandica ) male resting on water, with head tucked under wing, Iceland, May

Steve Knell / Barrows Goldeneye (Bucephala islandica) female resting on water, with head tucked under wing, Iceland, May

Steve Knell / Barrows Goldeneye (Bucephala islandica) male taking off from river, Iceland, May

Gerrit Vyn / Barrow's Goldeneye (Bucephala islandica) male and female pair on water, Whatcom County, Washington, USA, March.

Michael Quinton / Barrow's Goldeneye (Bucephala islandica) female, Alaska

Hanne & Jens Eriksen / Female Barrow's goldeneye (Bucephala islandica) on water, Iceland, June

Hanne & Jens Eriksen / Pair of Barrow's goldeneye (Bucephala islandica)copulating on water, Iceland, June

Hanne & Jens Eriksen / Pair of Barrow's goldeneye (Bucephala islandica)courting on water, Iceland, June

Hanne & Jens Eriksen / Pair of Barrow's goldeneye (Bucephala islandica)on water, Iceland, June

Hanne & Jens Eriksen / Pair of Barrow's goldeneye (Bucephala islandica)courting, Iceland, June

Roger Powell / Barrow's Goldeneye (Bucephala islandica) in water, Washington WWT, Tyne & Wear, UK

Rod Williams / Barrow's goldeneye duck {Bucephala islandica} male displaying to female, captive, from Greenland, Iceland and North America

Michael Quinton / Barrow's Goldeneye (Bucephala islandica) male in breeding plumage, Alaska

Michael Quinton / Barrow's Goldeneye (Bucephala islandica) drake in breeding plumage, Alaska

Markus Varesvuo / Barrow's Goldeneye male (Bucephala islandica) Iceland, June.

Markus Varesvuo / Barrow's Goldeneye (Bucephala islandica) Iceland, June.

Markus Varesvuo / Barrow's goldeneye (Bucephala islandica) Iceland, June.

Markus Varesvuo / Barrow's Goldeneye (Bucephala islandica) Iceland, June.

Markus Varesvuo / Barrow's Goldeneye (Bucephala islandica) Iceland, June.