385 
of the United States. 
very common from Florida to Canada ; not farther north ; 
partially migrating, more numerous during winter in the 
middle and southern states. 
328. Anas sponsa, L. Metallic, throat white ; a pendent 
crest; mirror purplish-blue, tipped with white; under wing- 
coverts white, spotted with black ; tail of fourteen feathers. 
Bill small, tapering. 
Male, head and crest golden green, with two white stripes ; 
breast and sides of the rump, dark chesnut. 
Female, head and crest brownish ; a white space round 
the eye. • 
Summer Duck , or Wood Duck , Anas sponsa , Wils. Am. 
Orn. viii. p. 97. pi* 78» fig. 3. 
Inhabits throughout North America, Mexico, and the West 
Indies, not extending far to the north : common during sum- 
mer in the northern and middle states, where it breeds : mi- 
gratory : a few' resident in the southern. Builds on trees. 
329. Anas discors, L. Mirror green, bordered above with a 
single white band ; wing coverts light-blue ; quill shafts 
dusky ; tail of fourteen feathers. 
Male, head and neck purple-green ; crown black ; a white 
crescent each side of the head before the eye. 
Female, head and neck wholly dusky. 
Blue-winged Teal , Anas discors , Wils. Am. Orn. mi. p. 74. 
pi. 68 . fig. 4. 
Inhabits throughout North America, Mexico, and the West 
Indies, breeding to the north, wintering to the south : com- 
mon in the middle states at their double passage in spring 
and autumn : very numerous during winter in the southern 
states : do not extend far north. Closely allied to Anas quer- 
quedula of the old world.* 
* Anas querquedula , L. Mirror ashy-green, bordered with two white 
bands, one above, the other below ; wing-coverts bluish-ash : quill shafts 
pure white ; tail of fourteen feathers. 
