Black-throal 



j.arr 



PERCHING BIRDS 



571. Baird's Junco. J unco bairdi. 



Range. — Southern Lower California. 



This gray headed species with rusty back 

 and sides is locally confined to the southern 

 parts of the California peninsula where it is 

 resident. Its eggs are not likely to differ from 

 those of the Pink-sided Junco which it most 

 nearly resembles. 



567i. Townsend's Junco. Junco hyemalis 

 townsendi. 



Range.— Mountains of northern Lower Cali- 

 fornia; resident and breeding. Similar to the 

 Pink-sided Junco but duller colored; eggs prob- 

 ably the same. 



572. QuADALUPE Junco. Junco insularls. 



Range. — Guadalupe Island off Lower Cali- 

 fornia. 



Resembles the Pink-sided Junco but is smaller, darker and duller colored. 

 They are common on the island where they nest in the pine groves, laying their 

 first sets in P^ebruary or March. The nests are like those of the genus and the 

 eggs are greenish white, finely dotted with reddish brown at the large end. 

 Size .77 X .60. 



573. Black-thkoated Spahhow. J >n phhpiza bilineata bilineata. 

 Range.— Breeds from central Texas to Kansas; winters in southern 



and Mexico. 



This species is grayish brown above, with black throat, white ■ 



superciliary and line on side of throat. This is a common 

 species that nests on the ground or at low elevations in bushes, 

 making their nests of weed stems and grasses. The three to five 

 eggs are bluish white, unmarked and similar to those of the 

 Bluebird but smaller. Size .72 x .55 



573a. Desert Sparrow. Aniphispiza 

 bilin eat a deserticola. 



Range. — Southwestern United States from western Texas 

 to southern California, and north to Colorado and Nevada; 

 winters in Mexico. 



Like the last but paler above. An abundant bird among 

 the foothills and on plains throughout its range. Found 

 generally in sage brush and thickets where it nests in 

 bushes or on the ground laying three or four bluish white 

 eggs like those of the last. 



.")71'. Bell's Sparrow. Amphispiza belli. 



Range. — Southern half of California and southward. 



These grayish, black and white birds are abundant in 

 sage brush and thickets, nesting on the ground or at low- 

 elevations in bushes, and during May or June, laying from 

 three to four eggs of a pale greenish white color, spotted 

 and blotched with reddish brown and purplish. Size .75 

 X .60. 



351 



573a — 574 



