BIRDS. 109 



SIZE BETWEEN A HOUIM AXll A GJIOL'SE. 



LarycJij blue, broicn, sooti/, or ».s7( iinnj. 



I. l^argely liluish, or reddish brown liarred with hlacl^. 



2. Upiierparts partly or mainly bluisU. head crested, bill long. 



3. AVings and tail dull blue, spotted with white ; lakes and stream-^ 



Belted Kint/fislier, ]). LIT. 

 3'. AVings and tail purplish blue, ))arred witli black; forests 



Black-lieaded Jin/, p. 105. 

 2'. Upperparts brown, or blue and brown, head not crested, bill hooke<l ; 



over open tields Desert ^piirrow Hawk, p. 149. 



r. I^argely brown or gray. 



2. Body brown, rump white, wings and tail reil below 



Red-sliaftcd Flieker, p. 101. 

 2'. Body gray, forehead white. 



3. Body dark gray, back of neck with dark patch 



h'oekii Mountain ■lini, p. 100. 

 3'. Body ash gray, wiugs and tail bl.ick and white 



Clark Xuteraeker, p. 107. 

 SIZE or A r.oBiN. 



I. T'nderparts bright rusty brown ; lireast with blackish necklace 



Northern Viirud Thnixli. p. 197. 

 I'. Underiiarts reddish brown: breast witliiuit necklace ^Ventern Robin, p. 190. 



SIZE SMALLER THAN A KOEIN (ADULT MALES ') . 



Partly yellow, contrasted uitli slaty, hlaelc, or broicn. 



I. Undei'parts partly or wholly yellow or greenish yellow. 



2, Underparts yellow and slaty, or yello^^•, lilaek, and white. 

 3. Underparts yellow- and slaty, head slaty ; bushes 



MdcgiUivray Warbler, p. ISO. 

 3'. Underparts wliite, yellow, and black; throat, crown patch, and 



rump yellow; trees Audubon Warbler, p. 1S3. 



2'. Underparts plain yellow or greenish yellow. 



3. Underparts yellow, face with black mask; bushes 



Western Yclloir-tliroat, p. ISO. 

 3'. Uudei'iiarts yellow, wings and tail black; fore.sts 



Western Erening (Iro.'ibeak. p. 171. 

 I'. Underparts witliout yellow. 



2. Body black and white, crown with yellow- patch ; forests 



Alaska Tlirec-toed Woodpeeker, p. li^S. 



2', Body brown, streaked; wings and tail w-ith yellow patches; cone-laden 



tree tops Pine Siskin, p. 174. 



Partly or mainhi broicn, gray, or blue. 



I. Partly or mainly brown or gray. 

 2. Partly or mainly brow-n. 

 3. Mainly brow-n. 



4. Barred with black. 



.5. Tail very short : forests 



Western Winter Wren, p. 191. 

 5'. Tail normal ; open woods 



Western House Wren, p. 191. 



' The females of striltingly coloreJ birds are usually duller or without color patches. 



