White-collared Oliveback Nesocharis ansorgei Scientific name definitions

10 cm; 8–9·5 g. Male has head and throat black, nape grey, narrow white collar extending from rear of ear-coverts to beneath throat; upperparts olive, tail blackish; upperwing blackish-brown, feathers edged olive-yellow; breast olive, yellowish in centre, belly to undertail-coverts grey; iris dark brown, eyering dark grey; bill blue-grey, dusky tip; legs dark grey. Female has white line behind face reduced or lacking, entire underparts, including breast, grey. Juvenile undescribed.

Albertine Rift region of E DRCongo, Uganda, Rwanda, Burundi and extreme NW Tanzania; recently recorded both in SW Congo (1 Delhaye-Prat, V. and Ikonga, J.M. (2015). An Albertine Rift endemic in western Africa: first record of White-collared Oliveback Nesocharis ansorgei for Congo-Brazzaville. Bull. Afr. Bird Club 22(1): 68–69. Close ) and in NW Angola (2 Mills, M.S.L. and Pinto, P.V. (2015). An overlooked population of White-collared Oliveback Nesocharis ansorgei, in Angola. Bull. Afr. Bird Club 22(1): 64–67. Close ).

Calls lisping or "tssep"; song  a trill beginning with 2 clear, slurred whistles, like that of N. shelleyi.

Not globally threatened (Least Concern). Generally uncommon to scarce; fairly common locally. Possibly overlooked. Occurs in several protected areas.