Parent: Tyrannidae (Tyrant flycatchers)

└─ Empidonax (Empidonax flycatchers)

└─── Empidonax affinis (Pine flycatcher)

└─── Empidonax albigularis (White-throated flycatcher)

└─── Empidonax alnorum (Alder flycatcher)

└─── Empidonax atriceps (Black-capped flycatcher)

└─── Empidonax difficilis (Western flycatcher)

└─── Empidonax flavescens (Yellowish flycatcher)

└─── Empidonax flaviventris (Yellow-bellied flycatcher)

└─── Empidonax fulvifrons (Buff-breasted flycatcher)

└─── Empidonax hammondii (Hammond's flycatcher)

└─── Empidonax minimus (Least flycatcher)

└─── Empidonax oberholseri (Dusky flycatcher)

└─── Empidonax occidentalis (Cordilleran flycatcher)

└─── Empidonax traillii (Willow flycatcher)

└─── Empidonax virescens (Acadian flycatcher)

└─── Empidonax wrightii (Gray flycatcher)