28 Wyoming Birds. 



137. Mareca americana: Baldpate. 



A few during- migrations. Probably decreasing in numbers. 



139. Nettion carolinense: Green-winged Teal. 



Common summer resident throughout the entire state. 



140. Querquedula discors: Blue-winged Teal. 



Common summer resident throughout the entire state. 



141. Querquedula cyanoptera: Cinnamon Teal 



Fairly common juramer resident over most of the state. 



142. Spatula clypeata: Shoveller. 



Fairly common summer resident over most of the state. 



143. Dafila acuta: Tintail.- 



Uncommon summer resident. Common during migrations. 



144. Aix sponsa: Wood Duck. 



Knight recorded this bird from Cheyenne and Big Horn 

 Mountains on the authority of Frank and Fred Bond. Since 

 then it . has been observed by Richard, Metz, Buck and 

 Clearwaters. 



146. Marila americana: Redhead. 



A fairly common migrant, but evidently decreasing in num- 

 bers. 



147. Marila valisineria: Canvas-back. 



Occurs over almost the entire state during migrations, but 

 is at no place common. 



148. Marila marila: Scaup Duck. 



"Up to the present the only authentic record has been 

 given by Jcsurun of Douglas and but a single bird has 

 been taken." (Knight.) 



149. Marila affinis:" Lesser Scaup Duck. 



Fairly common migrant. 



150. Marila c'ollaris: Ring-necked Duck. 



Mr. Richard reports that this duck is occasionally found 

 about Cody. Knight recorded it from Green River and 

 Douglas. 



151. Clangula clangula americana: Golden-eye. 



Apparently rather rare in this state. It has been recorded 

 from Lake Como, Douglas, Cheyenne, Lake DeSmet, the 



