Range.--Desert regions of southern Arizona south into Sonora, Mexico; west rarely to southeastern California; resident except at extreme northern limit of its range.
=709. St. Lucas Thrasher= (_Toxostoma cinereum_). L. 10. _Ads._ Above grayish brown; below white with numerous wedge-shaped spots; outer tail-feathers tipped with white.
=709a. Mearns Thrasher= (_T. c. mearnsi_). Differs from No. 709 in much darker upperparts, more rusty flanks and crissum, much larger and more intensely black spots on lower parts and less curved bill. (Anthony.)
Range.--Northern Lower California, south to about Lat. 30° 30'.
=710. Californian Thrasher= (_Toxostoma redivivum_). L. 12. _Ads._ Above grayish brown; belly distinctly buff; breast grayish, throat whitish, washed with buff; no white in wings or tail. _Notes._ Song suggesting both that of the Brown Thrasher and the Mockingbird.
Range.--California west of the Sierra Nevada, north of about Lat. 35°; south into Lower California.
=710a. Pasadena Thrasher= (_T. r. pasadenense_). Similar to No. 710, but grayer above; belly paler, throat whiter.
=711. Leconte Thrasher= (_Toxostoma lecontei_). L. 10.5. _Ads._ Above brownish ashy, below creamy white, under tail-coverts buff. _Notes._ Call, a sharply reiterated _whit_ or _quit_; song, remarkable for its loud rich tone; can be heard distinctly for more than a mile. (Mearns.) Call, low and musical, _hueé-e_, whistled through the teeth. (Stephens.)
Range.--"Desert region of southern California, Nevada, and extreme southwestern Utah, from Benton, Cal. (Lat. 38°), southeastward through Arizona to Sonora (Lat. 30°). Local in San Joaquin Valley." (A.O.U.)
=711a. Desert Thrasher= (_T. l. arenicola_). Differing from No. 711 in having upperparts darker and grayer, tail blacker, and breast gray. (Anthony.)
Range.--Northern Lower California. (Rosalia Bay.)
=712. Crissal Thrasher= (_Toxostoma crissalis_). L. 12. _Ads._ Under tail-coverts reddish _chestnut_; upperparts brownish gray; underparts ashy, chin white. _Notes._ No loud call note; song of remarkable scope and sweetness. (Mearns.)
Range.--"Southwestern United States, from western Texas to the Colorado Desert, California, and northern Lower California; north to Charleston Mountains, Nevada, and St. George, Utah." (A.O.U.)