Which specific subspecies of Empidonax traillii is detailed as a species of conservation concern by the Nevada Department of Wildlife within the Great Basin area?
Empidonax traillii extimus (Great Basin Willow Flycatcher).
While the overall species Empidonax traillii maintains a wide distribution, localized populations often face specific regional threats that warrant targeted conservation attention. The text specifically highlights the Great Basin Willow Flycatcher, designated as the subspecies *Empidonax traillii extimus*. This particular population, which breeds across states including Nevada and Utah within the Great Basin region, has been officially recognized by entities such as the Nevada Department of Wildlife as a species of conservation concern within the state's boundaries. This situation underscores the importance of subspecies identification for effective, localized ecological management prescriptions.
