...Sage Thrasher... 
Chester A. Reed 「The Bird Book」
...
The thrasher has been called a ground "thrush" because it so oftenchooses to place its nest at the roots of tall weeds in an open field;but a low bush frequently suits it quite as well...
Neltje Blanchan 「Birds Every Child Should Know」
...The thrasher has been called a ground "thrush" because it so oftenchooses to place its nest at the roots of tall weeds in an open field;but a low bush frequently suits it quite as well...
Neltje Blanchan 「Birds Every Child Should Know」
...Mearns Thrasher (T...
Frank M. Chapman 「Color Key to North American Birds」
...Californian Thrasher (Toxostoma redivivum)...
Frank M. Chapman 「Color Key to North American Birds」
...Song suggestingboth that of the Brown Thrasher and the Mockingbird...
Frank M. Chapman 「Color Key to North American Birds」
...Sage Thrasher (Oroscoptes montanus)...
Frank M. Chapman 「Color Key to North American Birds」
...Brown Thrasher (Toxostoma rufum)...
Frank M. Chapman 「Color Key to North American Birds」
...This subspecies of the Curve-billed Thrasher occurs in eastern and southern Coahuila...
Emil K. Urban 「Birds from Coahuila, Mexico」
...The Sage Thrasher seems to be a winter visitant to Coahuila...
Emil K. Urban 「Birds from Coahuila, Mexico」
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