... White-breasted Nuthatch (S. c. nelsoni in northern Coahuila; S. c. mexicana in southern Coahuila), Brown-throated Wren (T. b. cahooni in northern Coahuila; T. b. compositus in southern Coahuila), Crissal Thrasher (T. d. dorsale in northern Coahuila; T. d. dumosum in southern Coahuila), and Rufous-crowned Sparrow (A. r. tenuirostris in northern Coahuila; A. r. boucardi in ... — Birds from Coahuila, Mexico • Emil K. Urban
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