Diet Overlap

Clangula hyemalis (Oldsquaw)
Melanitta fusca deglandi (American white-winged scoter)

Common Diet

Leukoma staminea (Pacific littleneck)
Mytilus edulis (Blue mussel)

Common Habitat

North America

Attributes / relations provided by
♦ 1Winter feeding ecology and trophic relationships of Oldsquaws and White-winged Scoters on Kachemak Bay, Alaska, Gerald A. Sanger and Robert D. Jones, Jr., Canadian Wildlife Service, 1984