82 FIELD KEY TO COMMON BIRDS. 



b. Crown not rufous or chestnut, 

 5». Len;<th 6-75 inches; crown blackish, with a central whitish stripe; 

 throat white ; breast gray ; a yellow spot before the eye ; haunts 

 in and about thickets and bushy woodlands; song, a high, clear, 

 musical whistle ; call-note, chink. 



White-throateu Sparrow, page 143. 

 b'. Length 5-20 inches; bill slender; a white line over the eye; 

 tail carried erect ; haunts reedy marshes ; call-note scolding : 

 song rippling; May to Oct. 



Long-billed Marsh Wren, page 177. 

 2. Under parts white or whitish, streaked or spotted. 



A. Back streaked. 



a. Length 6'10 inches ; outer tail-feathers white, showing conspicuously 

 when the bird Hies; haunts dry lields and roadsides; song musical ; 

 Apl. to Nov Vesper Sparrow, page 141. 



b. Outer tail-feathers 7iot white. 



i*. Length 6'30 inches ; breast with numerous spots tending to form 

 one large spot in its center: haunts on or near the ground, generally 

 in the vicinity of bushes; call-note, chimp; song musical; a per- 

 manent resident Song Sparrow, page 138. 



J*. Length 6-35 inches; breast gi'ayish with one spot in its center; 

 Oct. to Apl Tree Sparrow, page 146. 



B. Back not streaked; breast spotted. 



a. Length 11-40 inches; tail 5-00 inches; wing-bars white: upper parts, 

 wings, and tail bright cinnamon-brown ; haunts undergrowth ; sings 

 from an exposed and generally elevated position ; song loud, striking, 

 and continuous ; Apl. 25 to Oct. . . Brown Thrasher, page 175. 



b. Length under 9-00 inches; tail under 300 inches; no wing-bars; 

 back reddish or cinnarnor -broivn. 



6». Length 8-25 inches; breast and sides heavily marked with large, 

 rounds black spots; head and upper back brighter than lower back 

 and tail ; call-note, a sharp j)it or liquid quirt ; May to Oct. 



Wood Thrush, page 184. 



b\ Length 7'15 inches; breast with wedge-shaped black spots; sides 

 unspotted, washed with brownish ashy: tail reddish brown, brighter 

 than back; call-note, a low chuck; Apl. 10 to May 10; Oct. and 

 Nov Hermit Thrush, page 185. 



b*. Length 7-50 inches ; upper breast lightly spotted with small, wedge- 

 shaped, brownish spots ; tail the same color as tiie back ; sides ivhite ; 

 call-note, a clearly whistled wheeu; May to Sept. 



Wilson's Thrush, page 183. 



c. Length under 9-00 inches ; tail under 300 inches ; no wing-bars ; back 

 olive-green. 



ci. Length 6-10 inches; center of crown pale brownish bordered by 

 black; haunts on or near the ground in woodland; a walker; 

 song, a ringing crescendo, teacher, teacher, teacher, TEACHER, 

 r^.^CiM'/i': .May to Sept.. ... ,. ... Oven-bird, page 170. 



