WEmpidonax
WAcadian flycatcher
WAlder flycatcher
WAmerican dusky flycatcher
WAmerican gray flycatcher
WBlack-capped flycatcher
WBuff-breasted flycatcher
WCordilleran flycatcher
WHammond's flycatcher
WLeast flycatcher
WPacific-slope flycatcher
WPine flycatcher
WTraill's flycatcher
WWhite-throated flycatcher
WWillow flycatcher
WYellow-bellied flycatcher
WYellowish flycatcher