Previously thought to be a member of the White-eye family Zosteropidae. Now shown to be a pipit in the Motacillidae.
Alström, P., Jönsson, K., Fjeldså, J., Ödeen, A., Ericson, P.G.P. & Irestedt, M. (2015) Dramatic niche shifts and morphological change in two insular bird species. Royal Society Open Science . (http://dx.doi.org/10.1098/rsos.140364) (Open Access)