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

References

  • 1996. database, NODC Taxonomic Code
  • 2011. Zoonomen - Zoological Nomenclature Resource, 2011.02.25
  • 2011. IOC World Bird List, Master List v2.9
  • 2011. AOU Check-List (08-2011)
  • BBL - Longevity Records of North American Birds (Online source)   http://www.pwrc.usgs.gov/BBL/homepage/longvrec.htm External link.
  • 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
  • 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
  • Banks, R. C., R. W. McDiarmid, and A. L. Gardner. 1987. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166
  • Banks, R. C., R. W. McDiarmid, and A. L. Gardner. 1987. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166. 79
  • BirdLife International 2012. Buteo regalis
  • Clark, W. 1987. A Field Guide to Hawks North America. Boston, New York: Houghton Mifflin Company.
  • 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/
  • Ehrich, P., D. Dobkin, D. Wheye. 1988. The Birder's Handbook. New York, London, Toronto, Sydney, Tokyo, Singaporsingapor: Simon & Schuster inc..
  • Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names
  • Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names. ix + 259
  • L. D. Harris and L. Paur, A quantitative food web analysis of a shortgrass community, Technical Report No. 154, Grassland Biome. U.S. International Biological Program (1972), from p. 17.
  • Leary W. Alan, , Mazaika RoseMary, Bechard J. Marc. 1998. Factors Affecting the Size of Ferruginous Hawks. The Wilson Bulletin: 198-205.
  • Malick L. Donald, 1989. Field Guide to the Birds of North America. Washington, D.C.: National Geographic.
  • Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 16, 2011 at http://animaldiversity.org. http://www.animaldiversity.org
  • Orrell T. (custodian) (2015). ITIS Global: The Integrated Taxonomic Information System (version Mar 2015). In: Species 2000 & ITIS Catalogue of Life, 26th August 2015 (Roskov Y., Abucay L., Orrell T., Nicolson D., Kunze T., Flann C., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.
  • Zeiner C.Zeiner, , Laudenslayer, F. William, Mayer E Kenneth, White Marshall. November, 1990. California's Wildlife Volume 2 Birds. Sacramento, California: Department of Fish and Game.
  • del Hoyo, J., A. Elliott, J. Sargatal. 1994. Handbook of the Birds of the World V. 2 New World Vultures to Guineafowl. Barcelona: Lynx Edicions.

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