PERCHING BIRDS 



Passerella - . 



585a. SHUMAGIN Fox SPARROW. 

 iliaca unalaschensis. 



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 Call 

 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 A 

 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. White 



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