Barry Mansell / Red-breasted Merganser (Mergus serrator) female, Sanibel Island, South West Florida, USA, May

Erlend Haarberg / Male Red-breasted merganser (Mergus serrator) calling on water, Iceland, June

Loic Poidevin / Red Breasted Merganser (Mergus serrator) on water. Breton Marsh, French Atlantic Coast, January.

Steve Gettle / Red-breasted Merganser (Mergus serrator) male in breeding plumage, Saginaw Bay, Michigan

Steve Gettle / Red-breasted Merganser (Mergus serrator) male in breeding plumage, Saginaw Bay, Michigan

Marie Read / Red-breasted Merganser (Mergus serrator) with large fish, trying to escape attempted robbery by Ring-billed Gull (Larus delawarensis). Bolsa Chica Ecological Reserve, California, USA, February.

Marie Read / Red-breasted Merganser (Mergus serrator) with large fish, trying to escape attempted robbery by Ring-billed Gull (Larus delawarensis), Bolsa Chica Ecological Reserve, California, USA, February.

Steve Knell / Red-breasted merganser (Mergus serrator) pair silhouetted at sunset, on lake Myvatn, Iceland, May

George McCarthy / Red-breasted merganser {Mergus serrator} on shore, Everglades National Park, Florida, USA

Gerrit Vyn / Adult female Red-breasted Merganser (Mergus serrator). Seward Peninsula, Alaska, USA June.

Laurie Campbell / Red-breasted Merganser (Mergus serrator) on water, Island of Islay, Scotland, UK, April

David Tipling / Red-breasted Merganser {Mergus serrator} male on water, Hokkaido, Japan, February

David Tipling / Red-breasted merganser {Mergus serrator} male amongst ice in harbour, Hokkaido, Japan, february

David Tipling / Red-breasted merganser {Mergus serrator} male amongst ice in harbour, Hokkaido, Japan, february

Alan Williams / Red-breasted merganser (Mergus serrator) male chasing female, Dee Estuary, Scotland, UK, November

Alan Williams / Red-breasted merganser (Mergus serrator) female feeding on fish, followed by male, Dee Estuary, Scotland, UK, November

Alan Williams / Red-breasted merganser (Mergus serrator) male on sea, Dee Estuary, Scotland, UK, January

Alan Williams / Red-breasted merganser (Mergus serrator) male on sea, Dee Estuary, Scotland, UK, January

Alan Williams / Red-breasted merganser (Mergus serrator) male on sea, Dee Estuary, Scotland, UK, January

Alan Williams / Red-breasted merganser (Mergus serrator) male on sea, Dee Estuary, Scotland, UK, January

Gary K. Smith / Red breasted merganser (Mergus serrator) female on water, Norfolk, UK, December

David Kjaer / Red-breasted merganser (Mergus serrator) captive, female, from Northern Hemisphere

David Kjaer / Red-breasted merganser (Mergus serrator) captive, male, from Northern Hemisphere

Kerstin Hinze / Red-breasted merganser (Mergus serrator) male on water, Shiretoko, Hokkaido, Japan

Roy Mangersnes / Red-breasted merganser (Mergus serrator) male in evening light, Norway. April

Roy Mangersnes / Red-breasted merganser (Mergus serrator) male in evening light, Norway. April

Dave Bevan / Red breasted merganser (Mergus serrator) Drake on water, Wales, UK, March

Paul Hobson / Red-breasted merganser {Mergus serrator} male, winter, Norfolk, UK

Rolf Nussbaumer / Female Red-breasted Merganser (Mergus serrator) Sanibel Island, Florida, USA. December 1998

Rolf Nussbaumer / Female Red-breasted Merganser (Mergus serrator) Sanibel Island, Florida, USA. December 1998

Mike Potts / Two Red-breasted merganser {Mergus serrator} males displaying to female, Lavan Sands, Gwynedd, Wales, UK.

Mike Potts / Red-breasted merganser {Mergus serrator} male, Lavan sands, Gwynedd, Wales, UK.

Mike Potts / Red-breasted Merganser {Mergus serrator} Lavan Sands, Gwynedd, Wales, UK.

George McCarthy / Red Breasted merganser {Mergus serrator} female, Everglades NP, Florida, USA

Tom Vezo / Male red-breasted merganser duck {Mergus serrator} California, USA.

Bernard Castelein / Red-breasted merganser {Mergus serrator} Sanibel Is, Florida, USA

Dietmar Nill / Male and female Red-breasted merganser {Mergus serrator} Germany

Tim Fitzharris / Red-breasted Merganser (Mergus serrator) female portrait, North America

Duncan Usher / Red-breasted Merganser (Mergus serrator) flapping its wings, Europe

Duncan Usher / Red-breasted Merganser (Mergus serrator) male, Europe

Duncan Usher / Red-breasted Merganser (Mergus serrator) male, Europe

Tim Fitzharris / Red-breasted Merganser (Mergus serrator) male portrait, North America

Tim Fitzharris / Red-breasted Merganser (Mergus serrator) female portrait, North America

Tim Fitzharris / Red-breasted Merganser (Mergus serrator) female, North America

Konrad Wothe / Red-breasted Merganser (Mergus serrator) female, Lake Baikal, Russia

Colin Varndell / Red-breasted merganser {Mergus serrator} male UK

George McCarthy / Red breasted merganser duck {Mergus serrator} Everglades, Florida, USA

Tim Fitzharris / Red-breasted Merganser (Mergus serrator) female swimming, Ding Darling National Wildlife Refuge, Florida

Duncan Usher / Red-breasted Merganser (Mergus serrator) resting on sand and rocks, Europe