Old World Warblers (Sylviidae)

Willow Warbler (Phylloscopus trochilus) - HBW 11, p. 649

French: Pouillot fitis German: Fitis Spanish: Mosquitero Musical

Taxonomy: Motacilla Trochilus Linnaeus, 1758, Europe = England.
Has hybridized with P. collybita, possibly also with P. trochiloides. Geographical variation to some extent clinal; race acredula in W of range most similar to nominate, becoming greyer and then browner towards E. Three subspecies recognized.

Subspecies and Distribution:

  • trochilus (Linnaeus, 1758) - breeds Ireland, Britain and S Sweden S to N Spain and C & NW France, E to S Poland and Romania (Carpathian Alps); non-breeding W Africa.
  • acredula (Linnaeus, 1758) - breeds Scandinavia (except S Sweden) and C & E Europe E to C Siberia (E to R Yenisey, S to W Sayan Range); non-breeding Africa S of Sudan.
  • yakutensis Ticehurst, 1935 - breeds C & E Siberia (R Yenisey E to R Anadyr, S to N Sayan Range); non-breeding E & S Africa.