Revised classification. Same tree as in Figure 1, but with illustrations of a selection of the species, and the revised taxonomy proposed here. Illustrations by Brian Small (Cettia, Oligura, Tesia, Urosphena) from Kennerley & Pearson  and by Ren Hathway (Orthotomus), Brian Small (Hemitesia) and Jan Wilczur (Abroscopus, Tickellia) from Bairlein et al. .
Alström et al. BMC Evolutionary Biology 2011 11:352 doi:10.1186/1471-2148-11-352