Geographical distribution of Sage thrasher.   Breeding  Migration  Nonbreeding
Reynolds, T. D., T. D. Rich, and D. A. Stephens (1999). Sage Thrasher (Oreoscoptes montanus), version 2.0. In The Birds of North America (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi-org.acces.bibl.ulaval.ca/10.2173/bna.463
Cephas