COMPSOTHLYPID^E: Wood Warblers 



217 



Arizona S.V. Common. 

 Transition Zone. Mountains of 

 eastern and northern parts of 

 the State. Occurs in migration 

 in low valleys. Habitually lives 

 in brush thickets rather than in 

 trees. 



Migrant April and early 

 May; late Aug. -Sept. Abun- 

 dant. Occurs at nearly all 

 elevations, most numerous in 

 lowlands in spring and in moun- 

 tains in the fall migration. 

 Generally favors willow growth. 



Calaveras Warble 



Southern California Mi- 

 grant and rare S.V. Migra- 

 tions chiefly Mar.-Apr. and 

 Sept. Occasionally nests in 

 foothill canyons, and some- 

 times noted in winter. 



Arizona Migrant Mar. 

 Apr. and Sept. Abundant, 

 especially in spring. 



LutescentWarbler 



Southwestern California W.V. Aug.- Apr. On mainland near 

 coast, where numerous in willows and oaks. Res. On larger islands of 

 the Santa Barbara group. 



