230 



DUCKS. 



congregating along the coast in flocks of 

 hundreds. 



196. FLORIDA BLACK DUCK. 



Smaller, much more yellowish than 

 Black Duck and more broadly streaked; bill. 



Fig. 176 Fig. 177 



Greeo-wing Teal. 1-8. Blue-winged Teal. 1-8. 



greenish; feet, reddish-orange. Central and 

 southern Fla. Not seen in large flocks. 



197. GADWALL. 



Smaller, 21 ; speculum, white bordered 

 in front with black, grayish above, reddish 

 on top of head; bill, black; feet, greenish, 

 fig. 174. Female, brown throughout, spe- 

 culum as in male. Nearly cosmopolitan; in 

 N. A. breeds in western U. S. where com- 



