PERCHING BIRDS 
5 85a. Shumagin Fox Sparrow. Passerella 
iliaca unalas chensis. 
Range. — Shumagin Islands and the Alaska 
coast to Cook Inlet. 
Similar to the last but paler, being one of the 
several recent unsatisfactory subdivisions of 
this genus. The nesting habits and eggs of all 
the varieties are like those of the common east- 
ern form. 
585b. Thick-billed Sparrow. Passerella 
iliaca megarhyncha. 
Range. — Mountains of eastern California and 
western Nevada; locally confined. 
Entire upper parts and breast spots gray; 
wings and tail brown. It nests in the heaviest 
underbrush of the mountain sides, building on 
or close to the ground. 
585c. Slate-colored Sparrow. Passerella 
iliaca schistacea. Fox! Sparrow 
Range. — Rocky Mountain region, breeding from Colorado to British Columbia. 
This variety which is similar to, but smaller than the last, nests in thickets 
along the mountain streams. The eggs are like those of iliaca, but average 
smaller. 
585d. Stephen’s Sparrow. Passerella iliaca stephensi. 
Range. — Breeds in the San Bernadino and San Jacinto Mts. in southern Cali 
fornia. 
Like the Thick-billed Sparrow, but bill still larger and bird slightly so. 
585e. Sooty Fox Sparrow. Passerella iliaca fuliginosa. 
Range. — Coast of Washington and British Columbia; south to California in 
winter. 
585f. Kadiak Fox Sparrow. Passerella iliaca insularis. 
Range. — Breeding on Kadiak Island; winters south to California. 
Like the last but browner above and below. 
585g. Townsend’s Fox Sparrow. Passerella iliaca townsendi. 
Range. — Southern coast of Alaska; winters south to California. Like the last 
but more rufous above. 
Upperparts and tail uniform brownish umber, below heavily spotted. 
586. Texas Sparrow. Arremonops rufivirgatus. 
Range/ — Eastern Mexico and southern Texas. 
This odd species has a brownish crown, olive greenish upperparts, wings and 
tail, and grayish white underparts. They are common resi- 
dent birds along the Lower Rio Grande, being found in tangled 
thickets, where they nest at low elevations, making their 
quite bulky nests of coarse weeds and grass and sometimes 
twigs, lined with finer grass and hair; they are often partial- 
ly domed with an entrance on the side. Their eggs are plain 
white, without markings; often several broods are raised in a 
season and eggs may be found from May until August. 
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