Green-backed Eremomela (Eremomela canescens) [XC306013]
by Hans Matheve from Simbo Beach Resort, Lake Langano, Oromia, Ethiopia (song?)
Green-backed Eremomela (Eremomela canescens) [XC209994]
by id from Simbo Resort, Lake Langano, Ethiopia (call, song)
Subspecies
Senegal Eremomela (Eremomela pusilla) and Green-backed Eremomela (Eremomela canescens) (Sibley and Monroe 1990, 1993) have been lumped into Eremomela pusilla following Dowsett and Forbes-Watson (1993).
Forms a superspecies with Senegal Eremomela (Eremomela pusilla), Green-capped Eremomela (Eremomela scotops) and Karoo Eremomela (Eremomela gregalis). Has been treated as conspecific with Senegal Eremomela (Eremomela pusilla), with which it hybridizes along Cameroon-Central African Republic border.
Proposed subspecies elgonensis (from western Kenya and adjacent Uganda) evidently an intergrade between elegans and nominate, and synonymized with latter.
The following 4 subspecies are recognised:
canescens Antinori, 1864 - Southern Chad, eastern Cameroon, Central African Republic, southern Sudan, extreme northern and north-eastern DRCongo, northern and eastern Uganda and western Kenya.
elegans Heuglin, 1864 - Western and central Sudan (Darfur and Kordofan east to Sennar).
abyssinica Bannerman, 1911 - Eastern Sudan (Kassala to R Sobat), northern Eritrea, western Ethiopia (south to R Omo).
elgonensis van Someren, 1920 - Western Kenya (Mt. Elgon to southern Nandi Hills).