Pacific-slope Flycatcher (Empidonax difficilis) [order] PASSERIFORMES | [family] Tyrannidae | [latin] Empidonax difficilis | [UK] Pacific-slope Flycatcher | [FR] Moucherolle de l’Ouest | [DE] Ufertyrann | [ES] Mosquero del Pacfico | [NL] Oeverfeetiran Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Empidonax difficilis NA w w Mexico Empidonax difficilis cineritius Empidonax […]