Winter diet composition of the 12 studied sea duck species.

Note: Values are mean ± SD percent of either weight or volume. Species are presented in order of increasing body mass. BUFF: bufflehead; HADU: harlequin duck; LTDU: long-tailed duck; STEI: Steller's eider; COGO: common goldeneye; BAGO: Barrow's goldeneye; BLSC: black scoter; SUSC: surf scoter; WWSC: white-winger scoter; SPEI: spectacled eider; KIEI: king eider; COEI: common eider; Moll.: mollusks; Crus.: crustaceans; Echi.: echinoderms; Anne.: annelids; biva.: bivalves; gast.: gastropods; poly.: polyplacophora; mala.: malacostraca; cirr.: cirripeds; aste.: asteroids; ophi.: ophiuroids; echi.: echinoids; holo.: holothuroids.a: USBS.