lii INTRODUCTION 



The broad Salicornia marshes surrounding the bay support a 

 rather numerous fauna that does not occur inland. 



Lophortyx californicus : California Partridge. — Abundant resident in hills 

 and valleys, 



Coluinha fasciata : Band-tailed Pigeon. — Autumn and winter visitant. 



Zenaidura macroura : Mourning Dove. — ISummer visitant; occasionally 

 seen in winter ; open valleys. 



Gymnogyps calif ornianus : California Vulture. — Occasional visitant in 

 Santa Cruz Mountains. 



Cathartes aura : Turkey Buzzard. — Summer visitants of valley and moun- 

 tain. 



Eianus leucurus : White-tailed Kite. — Resident among oak groves of the 

 valley. 



Accipiter velox : Sharp-shinned Hawk. — Common winter visitant. 



Accipiter cooperii : Cooper Hawk. — Occasional transient visitant. 



Circus hudsonius : Marsh Hawk. — A resident of the marshes about San 

 Francisco bay. 



Biiteo horealis calurus : Western Red-tail. — Common resident of the val- 

 ley and mountains. 



Buteo lineatus elegans : Red-bellied Hawk. — Rare resident of the valley. 



Biiteo swainsoni : Swainson Hawk. — Rare transient visitant. 



Archibuteo lagopus sancti-johannis : American Rough-legged Hawk. — 

 Rare transient visitant. 



Archibuteo ferrugineus : Ferruginous Rough-leg. — Irregular winter vis- 

 itant near San Jos^ (R. H. Beck). 



Aquila chrysa'etos : Golden Eagle. — Common resident of valley and foot- 

 hills. 



Haliceetiis leucocephalus : Bald Eagle. — Occasional visitant. 



Falco sparverius deserticola : Desert Sparrow Haw^k. — Common resident. 



Falco mexicanus : Prairie Falcon. — Occasional winter visitant in valley ; 

 resident near Santa Cruz. 



Falco 2Jeregrinits anatum : Duck HaAvk. — Marshes. 



Falco columbarius : Pigeon Hawk. — Fairly common winter visitant. 



Strix pratincola : Barn Owl. — Common resident in valley. 



Asio wilsonianus : Long-eared Owl. — Recorded from Santa Cruz Moun- 

 tains. 



Asio accipitrinus : Short-eared Owl. — Common resident on the broad 

 marshes about San Francisco bay. 



Megascops asio bendirei : California Screech Owl. — Common resident. 



Bubo virginianus pacijicus : Pacific Horned Owl. — Permanent resident of 

 the valleys. 



Speotyto cunicularia hypogcea : Burrowing Owl. — Common resident of the 

 low valleys. 



Glaucidium gnoma californicum : California Pygmy Owl. — A fairly com- 

 mon but inconspicuous resident of the Santa Cruz Mountains. 



Geococcyx californianus : Road-runner. — Uncommon resident in hot val- 

 leys. 



Coccyzus americanus occidentalis : California Cuckoo. — Summer visitant in 

 heavy thickets. 



Ceryle alcyon : Belted Kingfisher. — Resident along the larger streams. 



Dryobates villosus harrisii : Harris Woodpecker. — Resident in Santa Cruz 

 Mountains. 



Dryobates pubescens gairdnerii : Gairdner Woodpecker. — Common resident 

 in Santa Cruz Mountains, and breeds sparingly in valley. 



