Southern Mauritania, Senegal, Gambia, north-eastern Guinea-Bissau and Guinea eastern in a narrow band south of desert to central Chad and on to central Sudan, south-western Eritrea and western Ethiopia, south to north-eastern Uganda and north-western Kenya.
 
Population
Estimated population is unknown (2010).
White-billed Buffalo Weaver (Bubalornis albirostris) [XC423274]
by Peter Boesman from Ndounga, Kollo, Tillab\u00e9ri, Niger (call, song)
White-billed Buffalo Weaver (Bubalornis albirostris) [XC425375]
by Sun Madakan from Kiang Central, Lower River, Gambia (call)
Subspecies
No subspecies.
Forms a superspecies with Red-billed Buffalo-weaver (Bubalornis niger), and previously the two were normally considered conspecific. In the past, subspecies intermedius of Red-billed Buffalo-weaver (Bubalornis niger) was on occasion erroneously placed within present species.