Perching Birds Chiefly Brown or Streaked. 



538. Chestnut-collared Longspur (Calcarius orna- 

 tus). L. 6.2. Hind toe-nail as long as toe; all but 

 middle pair of tail-feathers (and sometimes these) with 

 white, two outer pairs white to the tip. Ad. J\ Throat 

 and cheeks buff; breast and belly black; crown black, 

 nape chestnut; lesser wing-coverts black tipped with 

 white. Ad. $. Above grayish brown streaked with 

 black; below pale buff, c? *« winter. Like summer $ 

 but black and chestnut areas more or less tipped with 

 grayish brown. Notes. Song, short, shrill, but very 

 sweet, often uttered on the wing, f Allen. ) 



Range.— Great Plains; breeds from central Kansas and eastern 

 Colorado north to the Saskatchewan; winters from eastern Colorado 

 and Nebraska south into Mexico. 



539. McCown Longspur [Rhynchophanes mccpwnii). 

 L. 6. Hind toe-nail as long as toe; all but middle pair 

 of tail-feathers with white, the outer one white to the 

 tip, the others tipped with black; lesser wing-coverts 

 chestnut. Ad. tf. Throat and belly white, breast and 

 crown black; back grayish brown streaked with 

 black. Ad. $. Below white washed with brownish; 

 above grayish brown streaked with black, c? in winter. 

 Like <j? but a partly concealed black breast patch; tail 

 with more white. Notes. Call, a chip at each stroke 

 of the wing; song, of soft, twittering, pleasing notes. 

 CGoss.) "A twittering, hurried chant, suggestive of 

 the Horned Lark's performance, but terminating in de- 

 creasing power." (Silloway.) 



Range. — Great Plains; breeds from northwestern Kansas to Mon- 

 tana and the Saskatchewan; winters from eastern Colorado and Kan- 

 sas south into Mexico. 



552. Lark Sparrow {Chondestes grammacus). L. 



6.2; Ads. Sides of the crown and ear-coverts chest- 

 nut; all but middle tail-feathers tipped with white; back 

 broadly streaked with black; sides of throat and spot 

 on breast black. Notes. Song, loud and musical sug- 

 gesting both a Song Sparrow's and a Canary's. 



Range. — Interior of North America from the Plains east to Illinois: 

 casuall'y east of the Alleghanies; breeds from Texas to Manitoba; 

 winters south into Mexico. 



5 5 2a. Western Lark Sparrow (C. g. strigatus). 

 Similar to No. 552, but streaks on upperparts generally 

 narrower. 



Range. — Western United States from the Plains to Pacific; breeds 

 from Mexico to Manitoba and British Columbia; winters south to 

 Central America. 



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