| on geographic barriers and pleistocene glaciations: tracing the diversification of the russet-crowned warbler (myiothlypis coronata) along the andes. | we studied the phylogeography and plumage variation of the russet-crowned warbler (myiothlypis coronata), from venezuela to bolivia, with focus on populations from ecuador and northern peru. we analyzed sequences of mitochondrial and nuclear genes, geographic distributions, as well as photographs of specimens deposited at museum collections. phylogenetic analyses identified three major lineages formed by populations from: venezuela and colombia (m. c. regulus), ecuador and northern peru (m. elat ... | 2018 | 29522515 |