LIST OF BIRDS OF BOULDER COUNTY,, COLORADO 237 



Vireo gilvus — Warbling vireo (Minot). 



Vireo solitarius plumbeus — Plumbeous vireo (Minot). 



Dendroica asstiva — Yellow warbler, yellow summer-bird. 



Dendroica auduboni — Audubon warbler (Minot). 



Helminthophila virginise — Virginia warbler (Minot). 



Helminthophila celata — Orange-crowned warbler (Minot). 



Helminthophila peregrina — Tennessee warbler (Minot). 



Mniotilta varia — Black and white warbler, very rare (Minot). 



Icteria virens longicauda — Long-tailed chat (Henderson). 



Setophaga ruticilla — Redstart (Keyser). 



Seiurus aurocapillus — Overbird (Minot). 



Seiurus noveboracelisis notabilis — Grinnell water-thrush (Cooke). 



Anthus pensilvanicus — Pipit (Minot). 



Geothylpis tolmiei — Macgillivray warbler (Minot). 



Cinclus mexicanus — Water ouzel, dipper. 



Galeoscoptes carolinensis — Catbird. 



Salpinctes obsoletus — Rock wren. 



Troglodytes aedon aztecus — Aztec or house wren. 



Catherpes mexicanus conspersus — Caiion wren (Anthony). 



Sitta carolinensis — White-breasted nuthatch (Blanchard). 



Sitta pygmasa — Pygmy nuthatch (Blanchard). 



Parus articapillus septentrionalis — Long tailed chickadee (Blanchard). 



Parus gambeli — Mountain chickadee (Henderson). 



Myadestes townsendii — Townsend Solitaire (Blanchard). 



Hylocichla ustulata swainsonii — Olive-backed thrush. 



Hylocichla aonalaschkae — Dwarf thrush (Sprague)? 



Hylocichla guttata auduboni — Audubon hermit thrush (Minot). 



Merula migratoria propinqua — Western robin (Henderson). 



Saxicola oenanthe leucorhoe — Wheatear (Minot)? 



Sialia arctica — Mountain bluebird. 



Sialia sialis — Bluebird (Gale). 



