l xx INTRODUCTION 



Larus argentatus : Herring- Gull. Rare visitor. 



Larus delaivarensis : Ring-billed Gull. Common during- migrations. 



Larus Philadelphia: Bonaparte Gull. Regular but not very common 



visitor. 



,SYf rnaforsteri : Forster Tern. Rare visitor. 

 Sterna hirundo : Common Tern. Occasional visitor. 

 Hydrochelidon nigra sitrinamensis : Black Tern. Regular visitor. 

 Pelecanus erythrorhynchos : White Pelican. Occasional visitor. 

 Pelecanus occideutalis : Brown Pelican. One specimen taken in 19,00. 

 Merganser americanus: Merganser. Not common ; sometimes winters at 



springs in Laramie County. 



Lophodytes cucullatus : Hooded Merganser. Rare. 

 Anas boschas : Mallard. Common migrant. 

 Chaulelasmus streperus : Gadwall. Common. 

 Mareca americana : Baldpate. Common. 

 Nettion carolinensis : Green-winged Teal. Common. 

 (jnerquedula discors : Blue-winged Teal. Common. 



(Jnerquedula cyanoptera : Cinnamon Teal. Occasional on city reservoirs. 

 Spatula clypeata : Shoveller. Common. The blue and green winged teal 



and the shoveller breed commonly in suitable localities a few miles from 



town. 



Dajila acuta : Pintail. Common. 

 Aix sponsa : Wood Duck. Very rare visitor. 

 Ayihya americana: Redhead. Common migrant. 

 Ay thy a vallisneria : Canvas-back. Common migrant, but not so common 



as the redhead. 



Aythya marila : Scaup Duck. Not common. 

 Ayihya affinis : Lesser Scaup Duck. Rare. 

 Aythya collaris : Ring-necked Duck. Not common. 

 Clanyula clanyula americana : American Golden-eye. Rare. 

 Clanyula islandica : Barrow Golden-eye. Rare. 

 Charitonetta ulbeola : Buffle-head. Tolerably common. 

 Oidemia americana: Scoter. Rare. 



Erismatura jamaicensis : Ruddy Duck. Very common migrant. 

 Chen hyperborea : Lesser Snow Goose. Rare visitor. 

 > 1 user albifrons gambeli : White-fronted Goose. Rare visitor. 

 liranta canadensis : Canada Goose. Not common. 



liranta canadensis hntrfiinsii : Hutchins Goose. Common for the species. 

 Olor columbianus : Whistling Swan. Rare. 



. (nli a herodias : Great Blue Heron. Common, for the species. 

 Nycticorax nycticorax ncevius : Black-crowned Night Heron. Not com- 



mon. 



I'or.-iiiKi Carolina : Sora. - - Tolerably common. 

 rn/ifd t/ nit rim mi : Coot. --Very common. 

 l'lui/iiroj>ns Inlxitus : Northern Phalarope. -- I {are. 

 Stf</fin<>j>ns tr'n-olur : Wilson Phalarope. - Tolerably common; breeds 



abundantly <>n Laramie plains fifty miles west of Cheyenne. 

 Hifitrrirostrti <i mi-ricana : A vocet. -- Tolerably common for the species 



during migrations, 



Gallinago <l<li<-ut<t : Wilson Snipe. --Not very common. 

 Macrorhamphus smlti/itiiTus: Long-billed Dowitcher. - - Rare. 



- 



Micropalama /iitiit/iil<,/,ii* .- Stilt Sandpiper. Very rare. 

 Ti in/in Iiairtlii : llainl Sandpiper.-- \'ery common. 

 7V///'/'/ niinntillii : Least Sandpiper. -- Very common. 

 Limosn Jl<,n : Mai 1. led (Jodwit. - Tolerably common. 



