FAM. L. DUCKS, GEESE, AND SWANS 299 



In habits, voice, and coloring this species is similar to the 

 black duck, but more buffy; sides of head and whole throat 

 buffy without streaks ; the speculum is greenish-purple. 



Length, 20; wing, 10^; tail, 3i ; tarsus, If; culmen, 2. Florida. 

 The Mottled Duck (134". A. f. maculosa) of Texas to Kansas differs 

 from the Florida iluck in having the buffy cheeks streaked with brown 

 and the rest of the plumage more mottled. 



32. Gadwall (135. Anas strepera). — A buffy -headed, mottled- 

 gray-bodied duck, with middle wing coverts chestnut, greater 

 wing coverts black, speculum white, and belly 

 nearly white. The breast and neck have a scaled 

 appearance, because of the white edges and 

 centers of the feathers. Female mottled 

 browns Avith a nearly white speculum 

 and white belly ; there is almost 

 no chestnut on the wing 

 coverts ; the axillars 

 and under wing coverts 

 are pure white. This 

 is a common species in 

 the interior, but rare 



north of Virginia on the ^_^ 



coast. (Gray Duck.) Gadwall 



Length, 20; wing, 10| (10-11); tail, 4| ; tarsus, Ij; culmen, If. 

 Northern hemisphere; breeding in America from Kansas and Gulf of 

 St. Lawrence northward, and wintering from 

 Virginia south to Florida and Texas. 



33. Widgeon (130. Anas penelope). — A 



rare duck from the Old World, with the 



head and throat reddish-brown except a 



whitish crown and blackish throat; the 



sides and back covered with many black 



lines, and the lower breast and belly 



Widgeou ^r\{te. The female is like the female of 



the next species, but the head and throat are a decided 



brown and the greater wing coverts brownish-gray. 



