TURDID^: Thrushes, Solitaires, and Bluebirds 



253 



Southern California Com- 

 mon. Nests usually in Tran- 

 sition and Canadian Zones, 

 occasionally in Upper Sonoran. 

 Widely scattered in winter, in 

 foothills, lowlands, and south- 

 eastern deserts, in small flocks. 



Western Blue bird 



Arizona Res. Transition Zone of mountains generally. In winter 

 occurs also over lower country westward to the Colorado River. Range: 

 Southern Rocky Mountain district from Colorado and Utah, |o central 

 Mexico. 



Southern California S.V., 

 on desert slope of high San 

 Bernardino mountains. W.V., 

 locally and irregularly in flocks 

 over southeastern deserts and 

 lowlands of Pacific slope. 



Arizona S.V., in higher 

 mountains of the north. W.V., 

 in low' valleys and along 

 Colorado River. 



Mountain Bluebird 



