Family African Barbets (Lybiidae)

Least Concern

Sladen's Barbet (Gymnobucco sladeni)


French: Barbican de Sladen German: Rußbartvogel Spanish: Barbudo de Sladen

Gymnobucco sladeni


, 1907,

Mawambi, DRCongo


Closely related to G. peli; both also rather close to G. calvus. Monotypic.


SE Congo#R#R, N, C & E DRCongo (E to near borders of Uganda and Rwanda); reported also SW Central African Republic.

Descriptive notes

c. 17 cm; 42–48 g. Dark brown barbet with bare face, pale tufts about bill; throat grey to brownish grey; bill blackish. Differs from G. bonapartei in bare... read more


Considered noisy, but vocalizations poorly known. Soft “pyew” notes, also rattling and... read more


Forest, including gallery forest, often together with G. bonapartei, but details lacking. read more

Food and feeding

Poorly known; feeds on Musanga and other fruits, including Canthium sp., Uapaca sp., Vitex sp. and ... read more


Probably lays Jan–Sept, inferred from dates of juveniles and was assumed to be parasitic. Nest and eggs not known; associates with... read more



Status and conservation

Not globally threatened. Very poorly known species; even basic data are needed for this barbet, as details of distribution and habits uncertain owing to confusion with... read more

Recommended citation

Short, L.L., Horne, J.F.M. & Kirwan, G.M. (2018). Sladen's Barbet (Gymnobucco sladeni). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 20 March 2018).