INTRODUCTION lix 



Asio accipitrinua : Short-eared Owl. — Rare Avinter visitant to the low- 

 lauds. 



Syrnium occidentale : vSpotted Owl. — Resident of the mountains ; perhaps 

 fairly connnon. thoiij^h not often met with. 



Megascops asio bendirei : California Screech Owl. — Common resident 

 everywhere. 



Bubo virginiaii'is parijicHs : Pacific Horned Owl. — Fairly common resident 

 in the oak rej^ion. 



Speotyto cuniculuria hypvyaa : Burrowing- Owl. — Common resident of the 

 mesas and lowlands. 



Glaucidium ynoma : Pygniy Owl. — Resident of the moimtains ; perhaps 

 fairly common, tliouj;!! by nature of its habits not often seen. 



Geococcyx culifornianus : Road-runner. — Fairly conmion resident of the 

 mesas and foothills ; rai)idly becoming- scarce. 



Coccyzus americuniis occidentaUs : California Cuckoo. — Rai'e summer vis- 

 itant to the willow bottoms. 



Ceryle alcyon : Belted Kingfisher. — Common migrant, appearing- at re- 

 servoirs and ahmg- streams. 



Dryobates villosus hyloscopus : Cabanis Woodpecker. — Fairly common in 

 the mountains ; resident. 



Dryobates pubescens turati : Willow Woodpecker.^ — Fairly common in the 

 willow regions ; resident. 



Dryobates nuttallii : Nuttall Woodpecker. — Common resident in the oak 

 and foothill regions ; visits the willow botton)s in fall and winter. 



Xenopirus albolarvatus : White-headed Woodpecker. — Fairly common re- 

 sident in the higher mountains. 



Sphyrapicus variiis nuchalis : Red-naped Sapsucker. — Bare midwinter vis- 

 itant along- the foothills. 



Sphyrapicus varius daggetti : - Sierra Sjip.sucker. — Common winter visitant, 

 often about orchards and on pepper-trees along the city streets. 



Sphyrapicus thyroideus : William.son Sapsucker. — Bare winter visitant on 

 the mountains. 



Mehnwrpes forinicivorus bairdi : Californian Woodpecker. — Common resi- 

 dent of tlie oak regions. 



Melanerpes torquatus : Lewis Woodpecker. — Fairly common winter vis- 

 itant to the oak regions. 



Colaptes cafcr coUaris : Bed-shafted Flicker. — Common resident of both 

 the mountains and lowlands. 



Phahi ni>j)tdus nuttallii californicus : Dusky Poor-will. — Common resident 

 of the foothills. 



Chordeiles acutipennis texensis : Texas Nighthawk. — Common summer vis- 

 itant, chiefly on the dry mesas. 



Cht^tura vauxii : Vaux Swift. — Common migrant .-ilong the foothills. 



^liroiiautts iiicldiKihucHs : White-tliroated Swift. — Fairly common, except 

 in midwinter, along the foothills and in tlie mountains. 



Trochilus alcxandri : Black-cliinued Hummingbird. — ('ommou sunnmr 

 visitant along the ftjothills and in the mountain canyons. 



(Jalypte costa : Costa Hummingbird. — Common summer visitant to tlie 

 dry mesas. 



Caly/ite a)iu(i : Anna Hummingbird. — Common resident anywhere. 



Srlas/ihorus ruf'us : Kufous Hummingbird. — Common migrant everv- 

 wbere. 



Scl(tsj)h()rus alleni : Allen Hummingbird. — F.iirly common spring migr;Mil 

 along the foothills. 



' Not vet acted on by A O. U. foiimiitl.-f. ( F. .M H.) = .V. rutin- of tin- Clieck-LiHt. 



