Buff-breasted Flycatcher (Empidonax fulvifrons) [XC713541]
by id from Parque Estatal Sierra Morelos, Toluca de Lerdo, Toluca, Estado de M\u00e9xico, Mexico (song)
Buff-breasted Flycatcher (Empidonax fulvifrons) [XC376761]
by Manuel Grosselet from Isla de las aves, Atlacomulco, Estado de M\u00e9xico, Mexico (song)
Subspecies
Validity of several subspecies doubted, nominate and brodkorbi known only from holotype specimens. Further study is required.
The following 6 subspecies are recognised:
pygmaeus Coues, 1865 - South-western USA (east-central and south-eastern Arizona, at least formerly west-central and south-western New Mexico) and north-western Mexico (Sonora, southern Coahuila). Winters south-central Mexico (south to Michoacán and Morelos).
rubicundus Cabanis & Heine, 1860 - Highlands in central Mexico locally from Durango south to Morelos and Puebla. Winters south to Guatemala.