BIRDS. 109 



SIZE BETWEEX A P.OlilX AM) A CKOCSE. 



LarilvJy hliic hroini. soalii. or asli (inii/. 



I. Largely bluish, or rcddisli brown tiai'i'cd with black. 



2. Upiierparts partly or mainly bluish, head crested, bill lon,s. 



rJ. Wiufis and tail (bdl Itlue, s])olt(vl with wliite; lakes and streams 



Belted Kiuf/fishcr, p. l.jT. 

 3'. Winys and tail pui'plish bhu\ barred with blaclv : forests 



Bl(ivk-hc(t(led -/(ly, p. 165. 

 2'. Upperparts broAvn, or blue and bro^^•n, head not crested, l)ill I looked ; 



over open fields Desicrt fiparroto Haivk, p. 149. 



r. Largely bro\vn or gray. 



2. Body brown, rump white, wings and tail red billow 



licil-slKiftcil Flicker, p. 101. 

 2'. Body gray, forehead white. 



3. Body dark gray, back of neck witli dark ])at(h 



h'oekii MoKiifdiii ■l(tii. p. KK). 

 3'. Body ash gray, wings and tail black and wliite 



Chirk Xufenieker. ]i. K!?. 



SIZE OF A ROBIN. 



I. Fnderparts bright rusty brown : breast with blackish necklace 



Norther)} ]'arie(l Thrii.sl), p. 107. 

 r. rnderparts reddish brown: biH-ast without necklace Western R<)l)iH. p. 1!)G. 



SIZE SMALLER THAN A IIOBIN ( ADl'LT MALES ^). 



Parihj iielloir. contrasted iritli slatij. Idack. or hroirn. 



I. T'nderiiarts jiartly or wholly yellow or greenish yellow. 



2. rnderi)arts yellow and slaty, or yellow, black, and white. 

 3. Undei-]iai-ts yellow and slaty, head slaty; bushes 



MdcuUllrrdji \V(irhler.\). ISO. 

 3'. Underparts white, yellow, and black: tln-oat, crown patch, and 



rump yellow; trees \iidnhon \ViirhUr.\).\Sc,. 



2'. Underparts plain yellow or greenish yellow. 



3. rnderparts yellow, fac-e with black mask; bushes 



Western Yelloir-tliroaf. \>. ISO. 

 3'. T'nderi>arts yellow, wings and tail black; forests 



Western Erenina (Iroshenk. \). 171. 

 I'. Underparts without yellow. 



2. Bo<ly black and white, ci-own with yellow patch ; forests 



Alaska 'I'liree-toed Woodpeeker,Y>. 158. 



2'. Body brown, streaked; wings and tail with yellow patches; cone-laden 



tree tops Pine Siskin, p. 174. 



Parthj or tnainlii Iiroirn. araii. or blue. 



I. T'ai-tly or mainly brown or gray. 

 2. Partly or mainly brown. 

 3. ]\Iainly brown. 



4. Barred with Idack. 



5. Tail very short: foi-ests 



Western Winter Wren, p. 101. 

 ."i'. Tail normal : open woods 



Western House Wren, p. 191. 



^ Tho females of strikinsly colored l)ir(ls are usually fliiUer or without eoloi- patches. 



