The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Pitra, C., D. Lieckfeldt, S. Frahnert, and J. Fickel. 2002. Phylogenetic relationships and ancestral areas of the bustards (Gruiformes : Otididae), inferred from mitochondrial DNA and nuclear intron sequences. Molecular Phylogenetic and Evolution 23(1):63-74.
- R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W. H. Freeman and Company, New York
To request an improvement, please leave a comment on the page. Thank you!