HIRUNDINID^; : Swallows 



209 



S.V. Sonoran Zones 

 Widely but rather locally dis- 

 tributed. Apr. -Oct., in south- 

 western California. Apparently 

 winters occasionally in Arizona 

 and southeastern California. 

 Nests commonly along Colo- 

 rado River, in holes in high 

 earth banks. 



WAXWINGS. Family Bombycillidse 



Food almost exclusively of berries. Very gregarious, often noted sit- 

 ting wing to wing in a dead tree-top. 



Southwestern California 

 W.V. Oct. -Apr. In flocks. 

 Irregular in occurrence. Feeds 

 on berries of the pepper- tree. 

 Most numerous near the foot- 

 hills. 



Arizona - W.V. - - Ir- 

 regularly and locally common 

 in mountains; but generally 

 considered a rare species. 



Cedor Woxvs/inc) 



SILKY FLYCATCHERS. Family Ptilogonatidae 



Food wild berries and insects taken on the wing, for the Phainopepla 

 is an expert fly-catcher. 



S.V., chiefly In favored 

 localities remains throughout 

 the winter. Mostly Lower 

 Sonoran Zone. Common in 

 open canyons and washes at 

 low elevations. A typical bird 

 of the desert. 



