Tham khảo Hóa thạch sống

  1. Zuccon Dario; Cibois Anne; Pasquet Eric & Ericson Per G.P. (2006): Nuclear and mitochondrial sequence data reveal the major lineages of starlings, mynas and related taxa. Molecular Phylogenetics and Evolution 41(2): 333-344.doi:10.1016/j.ympev.2006.05.007 (Tóm tắt HTML)
  2. Charles Darwin, The Origin of Species, trang 49