Usambiro Barbet (Trachyphonus usambiro) [XC426180]
by isaac kilusu from Ngorongoro, Arusha Region, Tanzania (song)
Usambiro Barbet (Trachyphonus usambiro) [XC429970]
by Frank Lambert from Ndutu Safari Lodge, Ngorongoro, Arusha Region, Tanzania (song)
Subspecies
D'Arnaud's Barbet (Trachyphonus darnaudii) and Usambiro Barbet (Trachyphonus usambiro) (Sibley and Monroe 1990, 1993) are retained as separate species contra Dowsett and Forbes-Watson (1993) who include usambiro as a subspecies of D'Arnaud's Barbet (Trachyphonus darnaudii).
Considered by some authors to be a subspecies of D'Arnaud's Barbet (Trachyphonus darnaudii).