The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• American Ornithologists' Union. 1998. Check-list of North American Birds, 7th edition. American Ornithologists' Union, Washington, D.C.
• Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes. 2003. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada
• BirdLife International 2009. Icterus bullockii
• Davis, L. 1972. A field guide to the birds of Mexico and Central America. Austin, TX: University of Texas Press.
• Dawson, W. 1923. The Birds of California. San Diego, CA: South Moulton Co..
• Dickinson, Edward C., ed. 2003. The Howard and Moore Complete Checklist of the Birds of the World, 3rd Edition. 1039
• Fitch, H. 1958. Home ranges, territories, and seasonal movements of vertebrates of the Natural History Reservation. Publ. Mus. Nat. Hist., 11: 63-326.
• Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names. ix + 259
• Harrison, C. 1978. A Field Guide to the Nests, Eggs and Nestlings of North American Birds. Glasgow, Scotland: William Collins Sons & Co. Ltd..
• Howell, S., S. Webb. 1995. A Guide to the Birds of Mexico and Northern Central America. New York: Oxford University Press, Inc..
• Jacobsen, F. and K.E. Omland. 2011. Species tree inference in a recent radiation of orioles (Genus Icterus): Multiple markers and methods reveal cytonuclear discordance in the northern oriole group. Molecular Phylogenetics and Evolution 61: 460-469.
• Jaramillo, A., P. Burke. 1999. New World Blackbirds: The Icterids. Princeton, NJ: Princeton University Press.
• Kaufman, K. 1996. Lives of North American Birds. Houghton Mifflin, Boston.
• Klimkiewicz, M., A. Futcher. 1987. Longevity records of North American birds: Coerbinae through Estrildidae. Journal of Field Ornithology, 58: 318-333.
• Pyle, P., S. Howell. 1997. Identification Guide to North American Birds: Columbidae to Ploceidae. Bolinas, CA: Slate Creek Press.
• Rising, J., P. Williams. 1999. Bullock's Oriole. Pp. 1-20 in A Poole, F Gill, eds. The Birds of North America, Vol. 416. Philadelphia, PA: The Birds of North America, Inc..
• Rising, James D. 1970. Morphological variation and evolution in some North American Orioles. Systematic Zoology, vol. 19, no.4. 315-351
• Sibley, D. 2000. The Sibley Guide to Birds. New York: Alfred A. Knopf, Inc..
• The Birds of North America Online (Online source)
• US Department of Agriculture. The relation of birds to the cotton boll weevil. 29. Washington, DC: US Dep. Agric. Biol. Surv. Bulletin. 1907.
• Wheelock, I. 1903. Birds of Californiaa. Chicago, IL: A. C. McClurg and Co..
• Zeiner, D., W. Laudenslayer Jr.. 2009. "California's Wildlife, Vol. I-III" (On-line pdf). CWHR Life History and Range Maps. Accessed December 23, 2009 at http://www.dfg.ca.gov/biogeodata/cwhr/cawildlife.aspx.