ICTERID^ : Blackbirds, Orioles, etc. 



167 



S.V., chiefly Very locally 

 distributed, nesting in colonies 

 in tule swamps. Occasional 

 in southwestern California in 

 winter, when of regular occur- 

 rence in extreme southeastern 

 California and southern Ari- 

 zona. 



Yellow- headed 



Southern California Res. 

 Common and widely dis- 

 tributed in summer; winters in 

 the lower Colorado River 

 valley and less plentifully on 

 the coastal slope. 



Arizona Abundant in 

 valley of Colorado and Gila rv cr 

 Rivers and tributaries, winter- DworFCowbird 

 ing occasionally. 



Southern California Res. 

 Abundant in city and 

 country. Nests from sea-level 

 to high mountains. Low valleys 

 and deserts in fall and winter, 

 in large flocks. 



Arizona W.V. in southern 

 portion; nests in mountains of 

 east and north; an abundant 

 migrant generally. 



Brewer Blackbird 



