74 



THE FIELD SPARROW. 



No. 36. 



FIELD SPARROW. 



A. O. LI. Xo. 503. Spizella ptisilla (Wils.j. 



Description. — Adults: Crown dull chestnut with a slight admixture of 

 ash)' gray; auriculars bordered with chestnut; nape gray; feathers of back rufous 

 with black central streaks and buffy edgings ; wings dusky, the primaries edged 

 with whitish and the rest with rufous, the middle and greater coverts tipped 

 with white, forming two inconspicuous bars; tail fuscous; below ashy gray, un- 

 marked save for slight brownish suffusion of breast and flanks ; bill pale reddish ; 



feet pale. Length 5.25-5.75 (133.3-146.1) 

 bill .36 (9.1 ). 



2-57 (65-3) ; tail 2.05 (67-3) ; 





V 



^'^'^ 



Taken Mcar Ob'rihi. 



FIELD .Sl'AKROW'S XEST IN GK.ASS CI^U.Ml'. 



/'hulo by tlic .Uill.or. 



Recognition Marlts. — Warbler s:ze ; crown iivl bright chestnut; bill uniform 

 pale reddish ; unmarked below. This bird has few positive marks, and is oftenest 

 "sensed," or determined by elimination. 



Nest, in low bushes or on the ground, a neat but simple structure of dried 

 grasses, sometimes, but rarcl)', lined with horse-hairs. Hggs, 3-5, wdiite, bluish- 

 or pinkish-white, with numerous small spots of reddish brown, generally dis- 

 tributed or gathered loosely about larger end. .\\. size, .70 x .51 (17.8 x 13.). 



General Range. — Eastern L^nited States and southern Canada, west to the 



