Alaska Bird Tours
Menu
Common Eider

Photo: Dave Menke / USFWS · Kodiak National Wildlife Refuge, Alaska · U.S. Fish & Wildlife Service · Public Domain

← Kodiak species

Waterfowl

Common Eider

Somateria mollissima

The largest duck in the Northern Hemisphere. Males have striking white-and-black plumage with a distinctive sloping bill profile. Breeds on Kodiak and winters along the coast.

Where to look

Rocky beaches and offshore islets around Kodiak Island, particularly along the Spiridon Bay shore and Afognak Island coast.

Habitat

Rocky coastal shorelines and offshore islands year-round.

Diet

Mussels, clams, sea urchins, starfish, and large crustaceans.

Natural history note

Eider down, the insulating feathers lining the nest, is the warmest natural insulating material known and has been harvested sustainably for centuries.