Perching Birds Chiefly Brown or Streaked. 
538. Chestnut-collared Longspur (Calcarzus orna- 
tus). L. 6.2. Hind toe-nail as long as toe; all but 
middle pair of tail-feathers (and sometimes these) with 
white, ¢wo outer pairs white fo the tip. Ad. SJ. Throat 
and cheeks buff; breast and belly black; crown black, 
nape chestnut; lesser wing-coverts black tipped with 
white. Ad. 9. Above grayish brown streaked with 
black; below pale buff. sm 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. (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 mecownit). 
L. 6. Hind toe-nail as long as toe; all but middle pair 
of tail-feathers with white, the outer one white fo the 
tip, the others tipped with black; lesser wirg-coverts 
chestnut. Ad. 3’. Throat and belly white, breast and 
crown black; back grayish brown streaked with 
black. Ad. 9. Below white washed with brownish; 
above grayish brown streaked with black. Gj i” winter. 
Like 2 buta partly concealed black breast patch; tail 
with more white. Notes. Call, a ghip at each stroke 
of the wing; song, of soft, twittering, pleasing notes. 
(Goss.) ‘‘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: 
casually east of the Alleghanies; breeds from Texas to Manitoba: 
winters south into Mexico. 
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_552a. 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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