. . nios or fresh-water clams to mostother foods. Thirteen Massachusetts specimens were foundto have eaten nearly ninety-five per cent, of mussels; theremaining five per cent, of the stomach contents was composedof starfish and periwinkles. It is a common belief that allScoters feed entirely upon animal food, but this is not a the Atlantic coast they appear to subsist mostly onmarine animals, but, in the interior, vegetable food also istaken. Mr. W. L. McAtee found the Scoters in a Wisconsinlake living almost exclusively f
. . nios or fresh-water clams to mostother foods. Thirteen Massachusetts specimens were foundto have eaten nearly ninety-five per cent, of mussels; theremaining five per cent, of the stomach contents was composedof starfish and periwinkles. It is a common belief that allScoters feed entirely upon animal food, but this is not a the Atlantic coast they appear to subsist mostly onmarine animals, but, in the interior, vegetable food also istaken. Mr. W. L. McAtee found the Scoters in a Wisconsinlake living almost exclusively for a time on the wild celery,but he does not state definitely what species of Scoter wasrepresented there. ^ » McAtee, W. L,: Three Important Wild Duck Foods, Bureau of Biol. Surv., Circular No. 81. 160 GAME BIRDS, WILD-FOWL AND SHORE BIRDS. WHITE-WINGED SCOTER {Oidemia deglandi). Common or local names: Male: Black White-wing. Female and young: Gray White-wing. Both sexes: White-winged Coot; May White-wing; Eastern White-wing;Pied-winged Coot; Uncle Sam Female. Male. Length. — to inches. Adult Male. — Small patch below and behind eye, and wing patch white; rest ofplumage black or brownish black; iris white; bill pinkish purple, reddish,orange, black and white; feet orange red or coral red and wine purple. Adult Female. — Sides of head more or less flecked with whitish; wingpatch white; rest of upper parts sooty brown or dirty gray; belowgrayish brown; iris deep brown; bill grayish black; feet brownish ^ states that the adult female has a pink patch on the side ofbill, but other authors disagree. Young. — Similar, but no pink on bill; sides of head more or less whitish,divided sometimes, but not always, into two large spots by an exten-sion of brown of neck up to eye. Field Marks. — Size of Black Duck, black or dark brown. Hardly twoauthors agree in describing this bird. Some state that the female hastwo white patches on the side of the
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