BIRDS OF COLORADO. 
13 
Contopus richardsonii. 
Aphelocoma woodhousei. 
Corvus corax sinuatiis. 
Spinus pinus. 
Ammodramus sandwichensi 
alaudinus. 
Tachycineta bicolor. 
Tacbycineta thalassina. 
E, Species that breed 
rado. 
Callipepla gambeli. 
Columba fasciata. 
Syrnium occidentale. 
Geococcyx californianus. 
Dryobates scalaris bairdi. 
Cypseloides niger borealis. 
Trocbilus alexandri. 
Selasphorus rufus. 
Amphispiza bilineata. 
Amphispiza belli nevadensis. 
Pipilo aberti. 
Vireo solitarius plumbeus. 
Salpinctes obsoletus. 
Catherpes mexicanus consper- 
sus. 
Sitta carolinensis aculeata. 
Parus atricapillus septentrion- 
alis. 
regularly only in southern Colo- 
Guiraca cserulea eurhyncba. 
Compsothlypis ainericana. 
Dendroica sestiva sonorana. 
Dendroica graciae. 
Dendroica nigrescens. 
Thryothorus bewickii leiico- 
gaster. 
Parus inornatus griseus. 
Psaltriparus plumbeus. 
Polioptila caerulea. 
6. Species taken in the State during the summer, but not 
known to breed. 
Ajaja ajaja. 
Plegadis guarauua. 
Ardea candidissima. 
Philobela minor. 
Callipepla sqiiamata. 
Melopelia leucoptera. 
Coccyzus erythrophthalmus. 
Melanerpes carolinus. 
Phalaenoptilus uuttalli nitidus. 
Dolichonyx oryzivorus. 
Icterus spurius. 
Junco phaeonotus dorsalis. 
Passerina cyanea. 
Mniotilta varia. 
Seiurus aurocapillus. 
7. Migrants; species that have been taken in the State 
during the spring or fall, but are not known to breed 
or winter in Colorado. 
^chmophorus occidentalis: Larus franklinii. 
Colymbus holboellii. Larus Philadelphia. 
Colymbus auritus. Sterna paradisaea. 
Larus occidentalis. Phalacrocorax dilophus. 
Larus californicus. Anas obscura. 
