Common Goldeneye, Bucephala clangula Rubund Creative Commons Attribution ShareAlike.	Long-tailed Duck, Clangula hyemalis Bente Margrethe Larsen ©.
Velvet Scoter, Melanitta fusca Morten Tellefsen ©.	Smew, Mergellus albellus "090413_mergellus_albellus_023" by Djpmapleferryman via Flickr, Creative Commons Attribution.
Common Merganser, Mergus merganser Jesmond Dene via Wikicommons, Creative Commons Attribution ShareAlike.	Red-breasted Merganser, Mergus serrator Merete T Mellingen ©.
Common Eider, Somateria mollissima Rubund Creative Commons Attribution ShareAlike.	King Eider, Somateria spectabilis "King Eider - Somateria spectabilis - Æðarkóngur" by Omarrun via Flickr, Creative Commons Attribution.

Taxonomy:

Bucephala albeola (Add)
Common Goldeneye, Bucephala clangula

Bucephala islandica (Add)

Camptorhynchus labradorius (Add)

Chendytes lawi (Add)

Long-tailed Duck, Clangula hyemalis

Histrionicus histrionicus (Add)

Lophodytes cucullatus (Add)

Melanitta americana (Add)
Melanitta deglandi (Add)
Velvet Scoter, Melanitta fusca

Common Scoter, Melanitta nigra (Add)
Melanitta perspicillata (Add)

Smew, Mergellus albellus

Mergus australis (Add)
Common Merganser, Mergus merganser

Mergus octosetaceus (Add)
Red-breasted Merganser, Mergus serrator

Mergus squamatus (Add)

Steller's Eider, Polysticta stelleri (Add)

Somateria fischeri (Add)
Common Eider, Somateria mollissima

King Eider, Somateria spectabilis