182 PASSERES : Perching Birds 



BAIRD SPARROW 



(545. Ammodramus bairdi) 5| in. 



Yellow-brown head, strongly black-streaked, especially on 

 sides of crown; back dark brown, black-spotted and light-edged; 

 impure white below, black-streaked on sides of throat and body, 

 and on chest. 



The dark scapulars and feathers of back, with light edges, 

 form an irregular but striking pattern. 



WESTERN LARK SPARROW 



(552a. Chondestes grammacus strigatus) 6 in. 



Head with white median stripe; then a succession of chestnut, 

 white and black stripes and patches, to white throat and under 

 parts marked only with a black chest-spot. The striped head is 

 characteristic. Tail white-edged and broadly white-tipped, 

 conspicuously displaj^ed. 



A pleasing songster with a peculiar and distinctive "burr." 



GAMBEL SPARROW 



(554a. Zonotrichia leucophrys gambeli) 6f in. 



Head broadly striped black and white, the white line above 

 eye extending to bill; back gray, dusky-streaked; clean gray 

 below, whitening on belly. 



Immature: Brown and buffy replace black-and-white head- 

 striping of adult. 



A clean-cut, attractive bird. Song: A pleasing series of about 

 five whistled notes. 



WHITE-CROWNED SPARROW See Appendix. 



(554. Zonotrichia leucophrys leucophrys) 6f in. 



NUTTALL SPARROW See Appendix. 



(554b. Zonotrichia leucophrys nuttalli) 6| in. 



