Fleischer, Robert C.; Helen F. James; Storrs L. Olson (11 de decembro de 2008). Cell Press, ed. "Convergent Evolution of Hawaiian and Australo-Pacific Honeyeaters from Distant Songbird Ancestors". Current Biology18 (24): 1927–1931. PMID19084408. doi:10.1016/j.cub.2008.10.051.
Fleischer, Robert C.; Helen F. James; Storrs L. Olson (11 de decembro de 2008). Cell Press, ed. "Convergent Evolution of Hawaiian and Australo-Pacific Honeyeaters from Distant Songbird Ancestors". Current Biology18 (24): 1927–1931. PMID19084408. doi:10.1016/j.cub.2008.10.051.