Dwarf Vireo (Vireo nelsoni) [XC735844]
by id from Tlalixtac de Cabrera, Tlalixtac de Cabrera, Oaxaca, Mexico (song)
Dwarf Vireo (Vireo nelsoni) [XC232173]
by Raul Padilla from Teotitlan, Oaxaca, Mexico (song)
Subspecies
No subspecies.
Initially named as Vireo nanus, but that name invalid, as preoccupied. Probably most closely related to, and has been thought to form a superspecies or to be conspecific with, Black-capped Vireo (Vireo atricapilla).