72 GAME BIEDS OF CALIFORNIA 



Key to California Game Birds — (Continued) 



PAGE 

 22'. Smaller; folded wing less than 8.25 

 inches (210 mm.) long. 

 25. No blue patch on wing. 



26. A white bar on side of breast of 



male. Green-winged Teal 113 



26'. No white bar on side of breast of 



male. European Teal 119 



25'. A large blue patch on forepart of 

 wing. 



27. A crescent-shaped white patch on 



cheek of male; under surface 

 never cinnamon brown; bill usu- 

 ally less' than 1.60 inches (40.5 

 mm.) long (fig. 16). 



Blue-winged Teal 120 

 27'. No crescentic white patch on 

 cheek of male; under surface of 

 male chiefly cinnamon brown 

 (pi. 4) ; bill usually more than 

 1.60 inches (40.5 mm.) long (fig. 

 15). Cinnamon Teal 123 



14'. A broad thin lobe on hind toe (fig. 22). 

 28. Speculum gray. 



29. Larger; folded wing more than 8.50 inches (216 

 mm.) long. 

 30. Forehead high and prominent (fig. 20) ; bill bluish 



gray, black at tip; iris yellow. Redhead 146 



30'. Forehead sloping (fig. 21); bill uniformly colored 



(pi. 5); iris red. Canvasback 150 



29'. Smaller; folded wing less than 8.25 incdies (210 



mm.) long. Ring-necked Duck 164 



28'. Speculum various, but never gray. 

 31. Speculum white. 



32. Wing more than 10.00 inches (254 mm.) long; 

 head of male dull black, never iridescent. 



White- winged Scoter 197 

 32'. Wing less than 9.50 inches (242 mm.) long; head 

 of male more or less iridescent. 

 33. Bill (viewed from above) broader near tip than 

 towards base. 

 34. Larger; folded wing more than 8.25 inches 

 (210 mm.) long; head of male glossed with 

 green. Greater Scaup Duck 156 



34'. Smaller; folded wing less than 8.25 inches 

 (210 mm.) long; head of. male glossed with 

 jmrple (pi. 5). Lesser Scaup Duck 159 



33'. Bill (viewed from above) narrower toward tip 

 than at base. 



