Old World Warblers (Sylviidae)

Long-billed Crombec (Sylvietta rufescens) - HBW 11, p. 687

French: Crombec à long bec German: Langschnabelsylvietta Spanish: Crombec Piquilargo
Other common names: Cape Crombec, Long-billed Sylvetta

Taxonomy: Dicaeum rufescens Vieillot, 1817, Oliphants River, Western Cape, South Africa.
Forms a superspecies with S. isabellina. Birds from Namibia described as race ochrocara, considered indistinguishable from flecki. Nominate race intergrades with latter in S Botswana. Seven subspecies recognized.

Subspecies and Distribution:

  • ansorgei E. J. O. Hartert, 1907 - coastal Angola (Bengo S to Namibe).
  • adelphe Grote, 1927 - SE DRCongo (from N end of L Tanganyika S to E Katanga), W Burundi (Ruzizi Plain), Zambia (except SW and valleys of R Zambezi and lower R Luangwa) and also N ­Malawi.
  • flecki (Reichenow, 1900) - S Angola (W & S Huíla S to Cunene), Namibia (except S), SW Zambia, Botswana, Zimbabwe plateau and N South Africa (Northern Province).

     See all 7 subspecies
  • ansorgei E. J. O. Hartert, 1907 - coastal Angola (Bengo S to Namibe).
  • adelphe Grote, 1927 - SE DRCongo (from N end of L Tanganyika S to E Katanga), W Burundi (Ruzizi Plain), Zambia (except SW and valleys of R Zambezi and lower R Luangwa) and also N ­Malawi.
  • flecki (Reichenow, 1900) - S Angola (W & S Huíla S to Cunene), Namibia (except S), SW Zambia, Botswana, Zimbabwe plateau and N South Africa (Northern Province).
  • pallida (Alexander, 1899) - SE Zambia (Luangwa and middle Zambezi Valleys), S Malawi, N & E Zimbabwe, Mozambique (S from Tete and Zambezi Valley) and NE South Africa (lowlands of E Northern Province S to N KwaZulu-Natal).
  • rufescens (Vieillot, 1817) - S Namibia, S & SW Botswana, and NW & N South Africa ­(Northern Cape, North West Province and NW Free State).
  • diverga Clancey, 1954 - C & S South Africa (SE Northern Cape and SW Free State S to Western Cape and Eastern Cape) and Lesotho.
  • resurga Clancey, 1953 - E South Africa (E Drakensberg, KwaZulu-Natal) and Swaziland.