Tyrant-flycatchers (Tyrannidae)

Dusky Flycatcher (Empidonax oberholseri) - HBW 9, p. 363

French: Moucherolle sombre German: Buschland-Schnäppertyrann Spanish: Mosquero Oscuro

Taxonomy: Empidonax oberholseri A. R. Phillips, 1939, Hart Prairie, San Francisco Mountain, Arizona, USA.
Formerly considered conspecific with E. wrightii, although appears not to be closely related. Monotypic.

Distribution: Breeds W Canada (N British Columbia E to SW Saskatchewan) S in W USA (mainly W of Rocky Mts) to S California and NE New Mexico. Winters SW USA (E to W Texas) and Mexico (S, mainly in highlands, to Oaxaca).