Claudia's leaf warbler explained

Claudia's leaf warbler (Phylloscopus claudiae) is a leaf warbler found only in China. Its natural habitat is temperate forests. Most taxonomists previously considered it to be a subspecies of the Blyth's leaf warbler.

References

• Olsson, U., P. Alström, P.G.P. Ericson, and P. Sundberg. 2005. Non-monophyletic taxa and cryptic species - evidence from a molecular phylogeny of leaf-warblers (Phylloscopus, Aves). Molecular Phylogenetics and Evolution 36: 261–276.
• Rheindt, F.E. 2006. Splits galore: the revolution in Asian leaf warbler systematics. BirdingASIA 5: 25–39.