Lanfear, R.; Bromham, L. (2011). ”Estimating phylogenies for species assemblages: A complete phylogeny for the past and present native birds of New Zealand”. Molecular Phylogenetics and Evolution 61 (3): sid. 958–963. doi:10.1016/j.ympev.2011.07.018. PMID 21835254.
Lanfear, R.; Bromham, L. (2011). ”Estimating phylogenies for species assemblages: A complete phylogeny for the past and present native birds of New Zealand”. Molecular Phylogenetics and Evolution 61 (3): sid. 958–963. doi:10.1016/j.ympev.2011.07.018. PMID 21835254.