Cisticolas and Allies (Cisticolidae)

Stierling's Wren-warbler (Calamonastes stierlingi) - HBW 11, p. 485

French: Camaroptère de Stierling German: Stierlingbindensänger Spanish: Camaróptera de Stierling
Other common names: Woodland Barred Wren-warbler, Eastern Barred Bush-warbler

Taxonomy: Calamonastes stierlingi Reichenow, 1901, Songea, south-east Tanzania.
Forms a superspecies with C. simplex, C. undosus and C. fasciolatus. Sometimes considered conspecific with first two; has narrow (15-20 km wide) zone of hybridization with C. undosus in C Zambia and N Malawi, but quite distinct in plumage and songs (hybrids intermediate in appearance, may have intermediate songs). Geographical overlap locally with C. fasciolatus, but the two are segregated by habitat (no hybridization recorded). Proposed race buttoni (Zambia W of Luangwe Valley) synonymized with nominate. Four subspecies recognized.

Subspecies and Distribution:

  • stierlingi Reichenow, 1901 - SE Tanzania, N Mozambique, E Malawi and W & C Zambia.
  • irwini (Smithers & Paterson, 1956) - extreme SE Angola, extreme NE Namibia and N Botswana through S Zambia and Zimbabwe plateau to W Malawi and NW Mozambique.
  • olivascens (Clancey, 1969) - C Mozambique.
  • pintoi (Irwin, 1960) - NE South Africa, Swaziland and extreme S Mozambique (S of R Limpopo).

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