BIRDS OF COLORADO. 



Passer domesticus. 

 Calcarius ornatus. 

 Rhynchophanes mccownii. 

 Junco caniceps. 

 Pipilo fuscus mesoleucus. 

 Ampelis cedrorum. 

 Cinclus mexicanus. 

 Catherpes mexicanus consper- 



sus. 

 Troglodytes hiemalis. 

 Certhia familiaris montana. 



Sitta carolinensis. 



Sitta calolinensis aculeata. 



Sitta canadensis. 



Sitta pygmaea. 



Parus inornatus griseus. 



Parus atricapillus septentrion- 



alis. 

 Parus gambeli. 

 Psaltriparus plumbeus. 

 Myadestes townsendii. 



Winter visitants; species that have been taken com- 

 monly in the State during the winter, but are not 

 included in the foregoing list. 



Urinator imber. 

 Merganser serrator. 

 Aythya americana. 

 Aythya vallisneria. 

 Aythya aflSnis. 

 Charitonetta albeola. 

 Chen hyperborea. 

 Archibuteo lagopus sancti-jo- 



hannis. 

 Otocoris alpestris leucolsema. 

 Coccothraustes vespertinus 



montanus. 

 Acanthis linaria. 

 Plectrophenax nivalis. 



Leucosticte tephrocotis. 



Ivcucosticte tephrocotis littor- 

 alis. 



Calcarius lapponicus. 



Zonotrichia leucophrys inter- 

 media. 



Spizella monticola ochracea. 



Junco aikeni. 



Junco hyemalis connectens. 



Junco mearnsi. 



Junco annectens. 



Pipilo maculatus arcticus. 



Ampelis garrulus. 



lyanius borealis. 



Species that breed in the State and regularly winter 

 further south, but a few occur irregularly in south- 

 ern Colorado in winter and in mild winters may oc- 

 cur throughout the State. 



Podilymbus podiceps. 

 Larus delawarensis. 

 Anas carolinensis. 

 Branta canadensis. 

 Grus mexicana. 

 Gallinago delicata. 

 Falco columbarius. 

 Agelaius phoeniceus. 

 Sturnella magna neglecta. 



Scolecophagus cyanocephalus. 

 Zonotrichia leucophrys. 

 Melospiza fasciata montana. 

 Cistothorus palustris paludi- 



cola. 

 Merula migratoria. 

 Merula migratoria propinqua. 

 Sialia mexicana bairdi. 

 Sialia arctica. 



