136 THE NUTTALL SPARROW. 
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Alan Ro os z 
“A MILITARY GENTLEMAN IN A GRAY CLOAK.” 
underparts more strongly washed with brownish gray; axillaries and bend of 
wing more strongly yellow; bill yellowish with dark tip. Immature: Similar to 
that of preceding form, but underparts yellowish; upperparts light olive buff; 
crown-stripe cinnamomeous, or pale chestnut. Very young birds are more 
extensively black-streaked above, and finely streaked below on chin, throat, chest, 
and sides; bill brighter yellow; feet paler. Length of adult males, 5.90-6.70 
(150-170); wing 2.95 (75); tail 2.83 (72); bill .43 (11); tarsus .93 (23.5). 
Females smaller. 
Recognition Marks.—Sparrow size; black-and-white striping of crown 
distinctive in range; much darker than preceding. 
Nesting.—Nest: on ground or low in bushes; rarely in trees up to 25 feet; 
a rather pretentious structure of bark-strips, dead grass, and rootlets, with a 
