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

References

• American Ornithologists's Union. 1998. Check-List of North American Birds (The Species of Birds of North America from the Arctic through Panama, Including the West Indies and Hawaiian Islands). 7th.ed.. Allen Press, Inc., Lawrence, Kansas, U.S.A..
• Arizona Game and Fish Department. 2005. Buteogallus anthracinus. Unpublished abstract compiled and edited by the Heritage Data Management System, Arizona Game and Fish Department, Phoenix, AZ.
• Baicich, J., J. Harrison. 1997. Eggs, Nests, and Nestlings of North American Birds. San Diego California: Academic Press.
• 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. 79
• BirdLife International 2009. Buteogallus anthracinus
• Campos, R.G. 1989. Lista de las Aves de la Reserva Biológica Lomas Barbudal, Cantón de Bagaces, Guanacaste. Español/Inglés. Publicado por Amigos de Lomas Barbudal. 4 p.
• Campos, R.G. 1989. Notas de campo sobre aves en diferentes sitios del país. Grecia, Costa Rica. 4p.
• Clark and Wheeler, 1987. A field guide to hawks. Boston Massachussets: Houghton Mifflin Company.
• Delgado, R.; R.G. Campos; J. Sánchez y Ch. Gómez. 1998. Lista de Aves de Costa Rica/ Checklist of Costa Rican Birds. ASOCIACION ORNITOLOGICA DE COSTA RICA. San José. Costa Rica. 28 p..
• Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names. ix + 259
• Johnsgard, P. 1990. Hawks, Eagles and Falcons of North America. Washington DC: Smithsonian Institution.
• Lewis, T.J. & F.G. Stiles.1980. Locational checklist of the birds of Costa Rica. Costa Rica Expeditions. San José, Costa Rica.
• Longevity Records: Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish (Online source)
• National Geographic Society, 1999. The Birds of North America. Washington DC: National Geographic Society.
• Ridgely, R. 1989. A guide to the birds of Panama. Princton, NewJersey: Princton University Press.
• Sibley, Ch. and B. Monroe, Jr.. 1990. Distribution and Taxonomy of Birds of the World. Yale University Press. New Haven & London. 1111 p.
• Slud, P. 1964. The birds of Costa Rica: Distribution and Ecology. Bulletin of The American Museum of Natural History 128: 5-430
• Slud, P. 1980. The birds of Hacienda Palo Verde, Guanacaste, Costa Rica. Smithsonian Institution Press, Washington. 62 p.
• Snyder, H., N. Snyder. 1991. Natural History and Conservation of North American Raptors. Stillwater, Mn: Voyageur Press Inc.
• Stiles, F.G. & A. F.Skutch. 1995. Guía de Aves de Costa Rica.Traducción al Español: Loretta Rosselli. Ilustrado por Dana Gardner. Instituto Nacional de Biodiversidad (INBio). Heredia, Costa Rica. 580 p.
• Stiles, F.G. 1977. Checklist of the birds of La Selva and vicinity. Universidad de Costa Rica. San José, Costa Rica. 12 p.
• Stiles, F.G. 1983. Checklist of birds. Pp. 530-544, In: D.H. Janzen (ed.). Costa Rican Natural History. University of Chicago Press, Chicago.
• Stiles, F.G. 1985. Conservation of forest birds in Costa Rica: Problems and perspectives. ICBP Technical Publication 4: 141-168.
• Texas Parks and Wildlife, 2000. "Index of Threatened and Endangered Bird Species of Texas" (On-line). Accessed 9/11/2000 at http://www.tpwd.state.tx.us/nature/endang/birds/.