Old World Warblers (Sylviidae)

Lesser Swamp-warbler (Acrocephalus gracilirostris) - HBW 11, p. 633

French: Rousserolle à bec fin German: Kaprohrsänger Spanish: Carricero Picofino
Other common names: Swamp Warbler, Lesser Swamp Reed-warbler, African Swamp-warbler, African Reed-warbler(!), Cape Reed-warbler

Taxonomy: Calamoherpe gracilirostris Hartlaub, 1864, Liesbeek River, South Africa.
Genetic study suggests that this species may form a monophyletic clade with A. rufescens, A. brevipennis, A. newtoni, A. rodericanus and A. sechellensis; these sometimes considered to comprise a separate genus, Calamocichla. Proposed race zuluensis (described from KwaZulu-Natal, in South Africa) synonymized with nominate. Eight subspecies recognized.

Subspecies and Distribution:

  • neglectus (Alexander, 1908) - W Chad.
  • jacksoni (Neumann, 1901) - S Sudan S to E DRCongo, Uganda and W Kenya.
  • tsanae (Bannerman, 1937) - NW Ethiopia (L Tana).

     See all 8 subspecies
  • neglectus (Alexander, 1908) - W Chad.
  • jacksoni (Neumann, 1901) - S Sudan S to E DRCongo, Uganda and W Kenya.
  • tsanae (Bannerman, 1937) - NW Ethiopia (L Tana).
  • parvus (G. A. Fischer & Reichenow, 1884) - highlands of SW Ethiopia S to Kenya, N Tanzania, Rwanda and Burundi.
  • leptorhynchus (Reichenow, 1879) - E Ethiopia, S Somalia and SE Kenya S to SE DRCongo, E & C Tanzania, SE Zambia, Malawi and N Zimbabwe.
  • cunenensis (E. J. O. Hartert, 1903) - SW Angola and N Namibia E to N Botswana, SW Zambia and W Zimbabwe.
  • winterbottomi (C. M. N. White, 1947) - E Angola E to N & NW Zambia and SW Tanzania.
  • gracilirostris (Hartlaub, 1864) - SE Zimbabwe and S Mozambique S to S Namibia and South Africa.
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