82 FIELD KEY TO COMMON BIRDS. 



b. Crown not rufous or chestnut. 

 b^. Leuijth 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, cJiink. 



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 sjjotted. 

 A. Back streaked. 



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

 when the bird flies ; haunts dry fields and roadsides ; song musical ; 

 Apl. to Nov Vesper Sparrow, page 141. 



b. Outer tail-feathers not white. 



^1. 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. 



i». Length 6-35 inches; breast grayish with one spot in its center; 



Oct. to Apl Tree Sparrow, page 146. 



£. 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. 

 h. Length under 9-00 inches; tail under 3-00 inches; no wing-bars; 

 back reddish or cinnamon-broion. 



b^. Length 8*25 inches ; breast and sides heavily marked with large, 

 round, black spots; head and upper back brighter than lower back 

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



Wood Thrush, page 184. 



Ja, 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 chuch ; Apl. 10 to May 10 ; Oct. and 



Nov Hermit Thrush, page 185. 



i'. Length 7"50 inches ; upper breast lightly spotted with small, wedge- 

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

 call-note, a clearly whistled whe'eu ; May to Sept. 



"Wilson's Thrush, page 183. 

 €. Length under 9-00 inches ; tail under 3-00 inches ; no wing-bars ; back 

 olive-green. 



c^. Length 6*10 inches; center of crown pale brownish bordered by 

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

 Bong, a ringing crescendo, teacher, teacher, teacher, TEACHER, 

 TEACHER; ^iayio^Q^t Oven-bird, page 170. 



