AYTMAR

 

Bird Identification Guide Sébastien Reeber

 

Wildfowl of Europe, Asia and North America

 

Waterfowl of North America, Europe & Asia

Greater Scaup Aythya marila

European Greater Scaup Aythya marila marila (Europe to Central Siberia)

Adult male (def. basic/def. alternate)

Adult female (def. basic/def. alternate)

Immature male (formative/1st alternate)

Immature female (formative/1st alternate)

American Greater Scaup Aythya marila nearctica (East Siberia and North America)

Adult male (def. basic/def. alternate)

Adult female (def. basic/def. alternate)

Immature male (formative/1st alternate)

Immature female (formative/1st alternate)

Juvenile (1st basic)

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