"Psittacine". American Heritage Dictionary of the English Language (4th ed.). Houghton Mifflin Company. 2000. Archived from the original on 27 August 2007. Retrieved 12 August 2016.
Heatley, J. J.; Cornejo, J. (2015). "Psittaciformes". In Miller, R. E.; Fowler, M. E. (eds.). Zoo and Wild Animal Medicine. Vol. 8. St. Louis, Missouri: Elsevier Saunders. p. 172. ISBN978-1-4557-7397-8.
de Kloet, R. S.; de Kloet, S. R. (2005). "The evolution of the spindlin gene in birds: Sequence analysis of an intron of the spindlin W and Z gene reveals four major divisions of the Psittaciformes". Molecular Phylogenetics and Evolution. 36 (3): 706–721. Bibcode:2005MolPE..36..706D. doi:10.1016/j.ympev.2005.03.013. PMID16099384.
Tokita, M.; Kiyoshi, T.; Armstrong, K. N. (2007). "Evolution of craniofacial novelty in parrots through developmental modularity and heterochrony". Evolution and Development. 9 (6): 590–601. doi:10.1111/j.1525-142X.2007.00199.x. PMID17976055. S2CID46659963.
Adams, M.; Baverstock, P. R.; Saunders, D.A.; Schodde, R.; Smith, G. T. (1984). "Biochemical systematics of the Australian cockatoos (Psittaciformes: Cacatuinae)". Australian Journal of Zoology. 32 (3): 363–377. doi:10.1071/ZO9840363.
Schweizer, M.; Seehausen, O.; Güntert, M.; Hertwig, S. T. (2009). "The evolutionary diversification of parrots supports a taxon pulse model with multiple trans-oceanic dispersal events and local radiations". Molecular Phylogenetics and Evolution. 54 (3): 984–994. doi:10.1016/j.ympev.2009.08.021. PMID19699808. S2CID1831016.
Joseph, L.; Toon, A.; Schirtzinger, E. E.; Wright, T. F. (2011). "Molecular systematics of two enigmatic genera Psittacella and Pezoporus illuminate the ecological radiation of Australo-Papuan parrots (Aves: Psittaciformes)". Molecular Phylogenetics and Evolution. 59 (3): 675–684. Bibcode:2011MolPE..59..675J. doi:10.1016/j.ympev.2011.03.017. PMID21453777.
de Kloet, R. S.; de Kloet, S. R. (2005). "The evolution of the spindlin gene in birds: Sequence analysis of an intron of the spindlin W and Z gene reveals four major divisions of the Psittaciformes". Molecular Phylogenetics and Evolution. 36 (3): 706–721. Bibcode:2005MolPE..36..706D. doi:10.1016/j.ympev.2005.03.013. PMID16099384.
Joseph, L.; Toon, A.; Schirtzinger, E. E.; Wright, T. F. (2011). "Molecular systematics of two enigmatic genera Psittacella and Pezoporus illuminate the ecological radiation of Australo-Papuan parrots (Aves: Psittaciformes)". Molecular Phylogenetics and Evolution. 59 (3): 675–684. Bibcode:2011MolPE..59..675J. doi:10.1016/j.ympev.2011.03.017. PMID21453777.
de Kloet, R. S.; de Kloet, S. R. (2005). "The evolution of the spindlin gene in birds: Sequence analysis of an intron of the spindlin W and Z gene reveals four major divisions of the Psittaciformes". Molecular Phylogenetics and Evolution. 36 (3): 706–721. Bibcode:2005MolPE..36..706D. doi:10.1016/j.ympev.2005.03.013. PMID16099384.
Tokita, M.; Kiyoshi, T.; Armstrong, K. N. (2007). "Evolution of craniofacial novelty in parrots through developmental modularity and heterochrony". Evolution and Development. 9 (6): 590–601. doi:10.1111/j.1525-142X.2007.00199.x. PMID17976055. S2CID46659963.
Schweizer, M.; Seehausen, O.; Güntert, M.; Hertwig, S. T. (2009). "The evolutionary diversification of parrots supports a taxon pulse model with multiple trans-oceanic dispersal events and local radiations". Molecular Phylogenetics and Evolution. 54 (3): 984–994. doi:10.1016/j.ympev.2009.08.021. PMID19699808. S2CID1831016.
Joseph, L.; Toon, A.; Schirtzinger, E. E.; Wright, T. F. (2011). "Molecular systematics of two enigmatic genera Psittacella and Pezoporus illuminate the ecological radiation of Australo-Papuan parrots (Aves: Psittaciformes)". Molecular Phylogenetics and Evolution. 59 (3): 675–684. Bibcode:2011MolPE..59..675J. doi:10.1016/j.ympev.2011.03.017. PMID21453777.
Tokita, M.; Kiyoshi, T.; Armstrong, K. N. (2007). "Evolution of craniofacial novelty in parrots through developmental modularity and heterochrony". Evolution and Development. 9 (6): 590–601. doi:10.1111/j.1525-142X.2007.00199.x. PMID17976055. S2CID46659963.
Schweizer, M.; Seehausen, O.; Güntert, M.; Hertwig, S. T. (2009). "The evolutionary diversification of parrots supports a taxon pulse model with multiple trans-oceanic dispersal events and local radiations". Molecular Phylogenetics and Evolution. 54 (3): 984–994. doi:10.1016/j.ympev.2009.08.021. PMID19699808. S2CID1831016.
"Psittacine". American Heritage Dictionary of the English Language (4th ed.). Houghton Mifflin Company. 2000. Archived from the original on 27 August 2007. Retrieved 12 August 2016.