Demography and Populations

The African Tailorbird is common in most of its range, but no estimates of overall population are available. Populations are presumed to be in decline owing to loss and degradation of montane forest habitat, including impacts associated with climate change. There is no information on nest success, survivorship, or population regulation.

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Numbers

There are no estimates of overall population size, but the African Tailorbird is considered to be common in most of its range. It is fairly common at Mount Nilo in East Usambara Mountains (Tanzania) (24 Cordeiro, N. J., V. M. Pohjonen, and E. Mulungu (2001). Is the endangered Long-billed (Moreau’s) Tailorbird Orthotomus [Artisornis] moreaui safe in the East Usambaras? Bulletin of the African Bird Club 8(2):91–94. Close ), uncommon in the Nguru Mountains (Tanzania) (27 Romdal, T. S. (2001). An ornithological survey of the Nguru Mountains, Tanzania. Scopus 22:49–62. Close ), but common in the Uluguru Mountains (Tanzania) (29 Stuart, S. N., and F. P. Jensen (1985). The avifauna of the Uluguru Mountains, Tanzania. Gerfaut 75:155–197. Close , 30 Svendsen, J. O., and L. A. Hansen (Editors) (1995). Report on the Uluguru Biodiversity Survey 1993. Part A. Royal Society for the Protection of Birds & Tanzania Forestry Research Institute & Centre for Tropical Biodiversity, Sandy, United Kingdom. Close ). It is generally common in the Udzungwa Mountains (Tanzania) (32 Jensen, F. P., and S. Brøgger-Jensen (1992). The forest avifauna of the Uzungwa Mountains, Tanzania. Scopus 15(2):65–83. Close , 33 Romdal, T. S. (2001). Altitudinal distribution and abundance patterns of bird species in the Eastern Arc Mountains, Tanzania. Scopus 21:35–54. Close , 49 Werema, C., J. P. McEntee, E. Mulungu, and M. Mbilinyi (2013). Preliminary observations on the avifauna of Ikokoto Forest, Udzungwa Mountains, Tanzania. Scopus 32:19–26. Close , 34 Jensen, F. P., L. Dinesen, L. A. Hansen, D. C. Moyer, and E. A. Mulungu (2020). Bird species richness in the montane evergreen forests of the Udzungwa Mountains, Tanzania. Scopus 40:39–49. Close ) with densities of 53 pairs/100 ha in the Uzungwa Scarp Forest (45 Moyer, D. C. (1993). A preliminary trial of territory mapping for estimating bird densities in Afromontane forest. In Proceedings of the VIII Pan-African Ornithological Congress. Annales du Musée Royal de l’Afrique Centrale (Zoologie) 268, Tervuren, Belgium. pp. 302–311. Close ). It is also common on Mount Chitagal and Serra Jeci (Mozambique) (38 Jones, S. E., G. A. Jamie, E. Sumbane, and M. Jocque (2020). The avifauna, conservation and biogeography of the Njesi Highlands in northern Mozambique, with a review of the country’s Afromontane birdlife. Ostrich 91:45–56. Close ).

Trends

There are no data on population trends, but some populations are expected to be declining due to loss and degradation of montane forest and climate change (see Effects of Human Activity).

Information needed.