Adapted with taxonomy updated by S. Loarie
These listings were altered:
Gallinago delicata implied by Gallinago gallinago
Pica hudsonia implied by Pica pica
Pipilo maculatus implied by Pipilo erythophthalmus
Troglodytes pacificus implied by Troglodytes troglodytes
Aphelocoma californica implied by Aphelocoma coerulescens
And the following listings treated as synonyms:
Accipiter cooperi (=Accipiter cooperii)
Actitis macularia (=Actitis macularius)
Wilsonia pusilla (=Cardellina pusilla)
Contopus borealis (=Contopus cooperi)
Drycopus pileatus (=Dryocopus pileatus)
Empidonax oberholsteri (=Empidonax oberholseri)
Oporornis tolmiei (=Geothlypis tolmiei)
Carpodacus cassinii (=Haemorhous cassinii)
Carpodacus mexicanus (=Haemorhous mexicanus)
Carpodacus purpureus (=Haemorhous purpureus)
Ceryle alcyon (=Megaceryle alcyon)
Otus kennecottii (=Megascops kennicottii)
Vermivora celata (=Oreothlypis celata)
Vermivora ruficapilla (=Oreothlypis ruficapilla)
Columba fasciata (=Patagioenas fasciata)
Hirundo pyrrhonata (=Petrochelidon pyrrhonota)
Parus gambeli (=Poecile gambeli)
Stellula calliope (=Selasphorus calliope)
Dendroica coronada (=Setophaga coronata)
Dendroica nigrescens (=Setophaga nigrescens)
Dendroica occidentalis (=Setophaga occidentalis)
Dendroica petechia (=Setophaga petechia)
Dendroica townsendi (=Setophaga townsendi)
Sitta pymaea (=Sitta pygmaea)
Carduelis pinus (=Spinus pinus)