CERULEAN WARBLER 



verging to form a patch of black at the base of 

 the yellow throat; under tail coverts white. 



Male. Fall. Back more or less streaked 

 with olive; under parts less heavily streaked; 

 two white wing bars. 



Female. Similar to male, plumage duller; 

 the black more or less replaced with olive, es- 

 pecially in fall. 



Young. Much plainer, but yellow rump and 

 white tail patches as in adult. Above mostly 

 olive, head markings indistinct or wanting; 

 mostly plain yellow below or indistinctly streaked 

 on the sides only. 



A migrant, apparently not common. 



8. Dendroica caerulea (Wilson) 

 Cerulean Warbler 



Dendroica rara RIDGWAY, Birds of N. and M. Amer., 

 II, p. 570, 1902. 



Length 108 mm. (4.20 in.); tail 43 mm. 

 (1.70 in.). 



Male. Back and crown almost sky blue, the 

 back with blackish streaks; eyelids and line over 

 the eye white; wing and tail feathers blackish 

 edged with bluish; two white bars on the wings 

 and white marking on webs of the wing and tail 

 quills; below white, a band of small grayish 

 black streaks across the breast and others along 

 the sides. 



Female. Dull greenish olive above with a 

 grayish blue shade, greener on the crown; eye- 

 378 



