The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Flower (1938) Furter notes on the duration of life in animals. IV. Birds. Proc Zool Soc London, Ser. A:195235.
- Type: Cassin. (Not Earlier Than January 31) 1865. Proc. Acad. Nat. Sci. Philadelphia. for 1865: 2.
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