Melanitta deglandi - White-winged Scoter - Knölsvärta

Melanitta deglandi deglandi male Denali National Park, Alaska, USA 20140624 0406  Bucephala islandica male et Melanitta deglandi deglandi male Denali National Park, Alaska, USA 20140624 0401  Melanitta deglandii Resurrection Bay, Seward, Alaska, USA 20140616 0538  Melanitta deglandi Resurrection Bay, Seward, Alaska, USA 20140616 0538 
Melanitta deglandi Resurrection Bay, Seward, Alaska, USA 20140616 0533