306. Chaulelasmus streperus.
THE GADWALL or GREY DUCK.
Streperus = noisy.
Mila, India; Beykhur, N. W. P. ; Mail, Nepal; Burd, Sind; Syah-dum, Cabul.
Male 20" to 21 1/2"; 1 1/2 to 2 lbs. Female 18" to 20"; 1 to 1 3/4 lbs. Legs dull yellow. Bill black. Head grey, speckled brown. Back brown, with white crescentic lines. Wing-coverts chestnut. Speculum white and black.— Female: Brown, edged buff. Bill pale, with red margins. Abdomen white. Northern Hemisphere, and in winter to N. Africa, Palestine, India, Burma (not observed in Ceylon), China, and Japan. In America as far south as Mexico and Jamaica. Six to thirteen eggs (2.35 x 1.63), creamy. Masson saw flocks of from twenty to thirty in Teesta and Great Rungeet valleys. (J. 961. B. 1595.)
Also C. couesi. 17". Like C. streperus, but smaller. Bill and feet black. Lamellae small and closely packed, about seventy-five in number, while in C. streperus there are only about fifty. Fanning Island.