136 



THE NUTTALL SPARROW. 



'^\\mv^V»>3\s. 



"A MILITARY GENTLEMAN' I.\' A GRAY CLOAK.- 



iinderparts more strongly washed with brownisli 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 



