SOMMOL

Dresser's (American or Atlantic) Eider Somateria mollissima dresseri (Eastern Canada)

Hudson Bay Eider Somateria mollissima sedentaria (Hudson Bay)

Pacific Eider Somateria mollissima v-nigrum (Arctic coasts of Eastern Siberia, Alaska and North-Eastern Canada)

 

Bird Identification Guide Sébastien Reeber

 

Wildfowl of Europe, Asia and North America

 

Waterfowl of North America, Europe & Asia

Common Eider Somateria mollissima

Common Eider Somateria mollissima mollissima (Europe)

Adult male (def. basic/def. alternate)

Adult female (def. basic/def. alternate)

Immature male (formative/1st alternate)

Immature female (formative/1st alternate)

Faeroes Eider Somateria mollissima faeroeensis (Faeroes, Orkney & Shetlands)

Adult male (def. basic/def. alternate)

Adult female (def. basic/def. alternate)

Northern Eider Somateria mollissima borealis (Arctic coasts from Franz Joseph Land to North-Eastern Canada)

Adult male (def. basic/def. alternate)

Adult female (def. basic/def. alternate)

Immature male (formative/1st alternate)

Immature female (formative/1st alternate)

Adult male (def. basic/def. alternate)

Adult female (def. basic/def. alternate)

Immature male (formative/1st alternate)

Immature female (formative/1st alternate)

Adult male (def. basic/def. alternate)

Adult female (def. basic/def. alternate)

Adult male (def. basic/def. alternate)

Adult female (def. basic/def. alternate)

Immature male (formative/1st alternate)

Immature female (formative/1st alternate)

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