. . as rubripes tristis) is nowgenerally regarded as the fully adult male of the Black Duck. The questionof its validity as a subspecies has caused some discussion, and it has beenplaced on the hypothetical list. BIRDS HUNTED FOR FOOD OR SPORT. 81 GADWALL (Chdulelasmus streperus).Common or local names: Gray Duck; Spcckle-belly; Creek Female. Male. Length. — About 18 to i^2 inches. Adult Male. — Upper parts and sides brown, so barred and vermiculatedwith black and white as to give a general appearance of brownish gray,passing t
. . as rubripes tristis) is nowgenerally regarded as the fully adult male of the Black Duck. The questionof its validity as a subspecies has caused some discussion, and it has beenplaced on the hypothetical list. BIRDS HUNTED FOR FOOD OR SPORT. 81 GADWALL (Chdulelasmus streperus).Common or local names: Gray Duck; Spcckle-belly; Creek Female. Male. Length. — About 18 to i^2 inches. Adult Male. — Upper parts and sides brown, so barred and vermiculatedwith black and white as to give a general appearance of brownish gray,passing to dusky on lower back and to black on upper and lower tailcoverts; tail brown, edged with gray; head and neck brown, mottledwith darker; wings largely brown, black, white and gray, in the ordergiven; wing patch white, bordered in front and below by black; rumpblack; lower neck and breast dark gray; belly white, with fine wavygray lines; bill lead blue or bluish black; legs and feet dull orange oryellowish, with dark webs. Female and Young. — Much like a diminutive female Mallard, but wingsimilar to that of the male Gadwall; the white wing patch is smallerthan in the male, but bordered similarly by black; lining of wingswhitish, as in Mallard and Black Duck. Field Marks. — The only river Duck with a pure wliife. hlack-horderedspecidum or riying patch. The female resembles a small femal
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Keywords: ., bookauthorjobherbe, bookcentury1900, bookdecade1910, bookyear1912
