. How to know the ducks, geese and swans of North America, all the species being grouped according to size and color. Ducks; Geese; Swans; Birds. 42 DUCKS, GEESE AND SAVANS OF NORTH AMERICA. Adult female: Speeulum, purple bordered with black and white; head, brownish l)uff; belly, bufiy brown, usually mottled; feet, orange red. Length, 23; wing, ; bill, The MalLird Duck occurs commonly throughout the northern part of the Northern Hemisphere. It breeds far northward, ranging in winter to the West Indies and Central America. The eggs are greenish white, from seven to ten in number. T
. How to know the ducks, geese and swans of North America, all the species being grouped according to size and color. Ducks; Geese; Swans; Birds. 42 DUCKS, GEESE AND SAVANS OF NORTH AMERICA. Adult female: Speeulum, purple bordered with black and white; head, brownish l)uff; belly, bufiy brown, usually mottled; feet, orange red. Length, 23; wing, ; bill, The MalLird Duck occurs commonly throughout the northern part of the Northern Hemisphere. It breeds far northward, ranging in winter to the West Indies and Central America. The eggs are greenish white, from seven to ten in number. The nest is usually placed on the ground, and is com- posed of grass lined with down. The Mallard is known to cross with various species, some sixty or seventy hybrids having l^een recorded; the most common crosses being with the Pin- tail, Black Duck and Widgeon. The female may always be distinguished from the Black Duck by the broad white border of the speculum. The male says, "Drake, drake, drake, drake," several times, in a husky voice, and also " Shwipe," low and husky, like the Black Duck. The female "; Drakes rarely "(; In most species it is usually the female. ANAS OBSCURA Gmel. Black Duck. Dusky Head and neck, pale Ijrown, finely dotted and streaked with dark brown; top of the head darker than the cheeks; general plu- mage, dark brown; feathers, edged with pale buflf; speculum, purple, edged with black ; bill, j'ellowisli green, with dark nail, no black at the liase; feet, orange red, with dusky webs; the color of the feet varies. Length, 21 ; wing, ; l)ill, ; tar- sus, ;!. It is not improbable that there are two well-marked races of this species, one l)eing larger and heavier, fre- cjuenting salt water bays and lagoons, and having the legs and feet orange red; and the 6ther, a somewhat smaller bird, having the legs and feet olive, and usually found about fresh-water lakes and ponds. Some of t
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1897
