The genus Scepomycter has traditionally been considered monotypic, but in 2009 a closely related new species was described, the Rubeho Warbler.
Old World warbler | Cetti's Warbler | Warbler | Wood Warbler | warbler | New World warbler | Subalpine Warbler | Great Reed Warbler | Garden Warbler | Sedge Warbler | golden-cheeked warbler | Cerulean Warbler | wood warbler | Wilson's Warbler | Willow Warbler | willow warbler | Whistler's Warbler | Typical warbler | Swainson's Warbler | Seychelles Warbler | sedge warbler | Rubeho Warbler | Rubeho | River Warbler | Prothonotary Warbler | prothonotary warbler | Orphean Warbler | Orange-crowned Warbler | Ménétries's Warbler | Japanese Bush Warbler |
Populations in the Rubeho-Ukaguru Mountains are the very similar Rubeho Warbler, and the status as vulnerable is for the "combined" species.