STRIGID^E: Horned Owls, etc. 



Southern California Res. 

 Common. Coastal slope, chiefly 

 in oaks and sycamores of 

 canyons up to about 6000 feet. 

 Occasional on desert slopes, 

 near mountain divide. Nests in 

 hollow trees, generally in old 

 Woodpecker holes. 



Pasadena Screech Owl 



Southeastern Arizona Res. Common. Upper Sonoran Zone of 

 mountains. Occurs northward to Colorado, but apparently absent from 

 table-lands of northeastern part of State. 



Res. Common Hot Lower Sonoran deserts of western and 

 southern Arizona and adjoining California; north to Needles, California, 

 on the Colorado River. Exact southern limits of range not known. 



Res. Common Giant 

 cactus regions of Lower Sono- 

 ran Zone in southern and west- 

 ern Arizona and extreme south- 

 eastern California. Is closely 

 confined to such cactus in 

 breeding-season, occupying old 

 Woodpecker holes. 



