In 2020, the population of this bird in Liberia was estimated to be 60,000 pairs. The bird is rare in Ghana where there have been only one or two records.[2]
↑Pearson, D. (2020). Black-capped Rufous-Warbler (Bathmocercus cerviniventris), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA.
Ryan, Peter. (2006). Family Cisticolidae (Cisticolas and allies). pp.378–492 in del Hoyo J., Elliott A. & Christie D.A. (2006) Handbook of the Birds of the World. Volume 11. Old World Flycatchers to Old World Warblers Lynx Edicions, Barcelona ISBN978-84-96553-06-4
Nguembock B.; Fjeldsa J.; Tillier A.; Pasquet E. (2007): A phylogeny for the Cisticolidae (Aves: Passeriformes) based on nuclear and mitochondrial DNA sequence data, and a re-interpretation of a unique nest-building specialization. Molecular Phylogenetics and Evolution42: 272–286.
