Ethiopia, Kenya, Sudan, Tanzania [United Republic of], Uganda.
Western and southern Sudan, western Ethiopia, northern and eastern Uganda, western Kenya and northern Tanzania (south to central Tabora and northern Dodoma).
Population
Estimated population is unknown (2010).
Silverbird (Empidornis semipartitus) [XC287951]
by James Bradley from Paraa, Murchinson Falls National Park, NW Uganda, Uganda (call)
Silverbird (Empidornis semipartitus) [XC433607]
by James Bradley from Murchison Falls National Park, northern section, Northern Region, Uganda (call, song)
Subspecies
No subspecies.
In the past was sometimes placed in genus Melaenornis, but differs markedly from latter in plumage colours, domed nest, and song. Clinal increase in wing length, from 82-95 mm in Sudan to 95-101 mm in eastern Africa.
Proposed subspecies kavirondensis (north-eastern Uganda, western Kenya and Tanzania) considered to represent part of the cline.
BirdLife International Species Factsheet