FIELD KEY TO COMMON BIRDS. 



b. Crown not rufous or chestnut. 



i'. Lencrth 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 Spakkow, page 143. 

 i». Length 520 inches; bill slender; a white line over the eye; 

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

 song rippling; May to Oct. 



LoNG-BiLLEu Marsh Wren, page 177. 

 , 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 flies ; haunts dry fields and roadsides ; song musical ; 

 Apl. to Nov Vesper Sparrow, page 141. 



b. Outer tail-feathers not white. 



b^. 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, chiinp; song musical; a per- 

 manent resident Song Sparrow, page 138. 



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



Oct. to Apl Tree Sparrow, page 146. 



R 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 3-00 inches ; no wing-bars ; 

 back reddish or cinnamon-brown. 



J'. Length 8-25 inches; bi-east 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. 



62. 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 chvck\ Apl. 10 to May 10; Oct. and 

 Nov Hermit Thrush, page 185. 



Js. 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 wheeu ; May to Sept. 



"Wilson's Thrush, page 183. 



c. Length under 9-00 inches ; tail under 3-00 inclies ; 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; 

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

 T'^.^CZT^A'; May to Sept Oven-bird, page 170. 



