IUCN Conservation Status: Least Concern
A small warbler of the American West, the Black-throated Gray Warbler is found in pine and mixed oak-pine forests west of the Rocky Mountains.
eBird Occurrence Maps,
Black-throated Gray Warbler
All About Birds blog, Flyways for Flyweights: Small Birds Capitalize on Weather Patterns During Epic Migrations, May 15, 2014.