Has this been discussed here yet?
http://dx.doi.org/10.1016/j.ympev.2010.07.018
A comprehensive multilocus phylogeny for the wood-warblers and a revised classification of the Parulidae (Aves) by Lovett et al.
http://dx.doi.org/10.1016/j.ympev.2010.07.018
A comprehensive multilocus phylogeny for the wood-warblers and a revised classification of the Parulidae (Aves) by Lovett et al.