. Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande Valley . WRENS, THRASHERS, ETC. 435 7. Back rusty brown. Thryothorus, p. 440. Fig. 550. GENUS OROSCOPTES. 702. OlOSCOptes montanus (Towns.). SAGE THRASHER. Bill much shorter than head ; rictal bristles well developed ; wings andtail of equal length; tail nearly : upper parts dull grayishbrown, indistinctly streaked; wingswith two narrow white bars ; tail withinner web of 2 to 4 outer featherstipped with white ; under parts whitish,buffy on flanks and under t
. Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande Valley . WRENS, THRASHERS, ETC. 435 7. Back rusty brown. Thryothorus, p. 440. Fig. 550. GENUS OROSCOPTES. 702. OlOSCOptes montanus (Towns.). SAGE THRASHER. Bill much shorter than head ; rictal bristles well developed ; wings andtail of equal length; tail nearly : upper parts dull grayishbrown, indistinctly streaked; wingswith two narrow white bars ; tail withinner web of 2 to 4 outer featherstipped with white ; under parts whitish,buffy on flanks and under tail coverts ; breast and sides heavily markedwith black spots. Young: like adults, but upper parts indistinctly streakedwith darker, and streaks on under parts less sharply defined. Length : 8-9, wing , tail , bill . Distribution. —Sage plains from Montana south to northern Mexico andLower California, and from western Nebraska to the Cascades and theSierra Nevada. Nest. — Bulky, composed largely of coarse plant stems, dry sageshreds, and sage bark, lined with fine rootlets, and sometimes hair ; placed
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