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

References

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• Bent, Arthur. 1937. Life Histories of North American Birds of Prey , Part 2. Smithsonian Institute: Washington D.C.: 295-322.
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• Birkenstein, L. R. y Tomlinson, R. E. 1981. Native Names of Mexican Birds. Resource Publication 139. Washington D.C. USA.
• Browning, M. R. y Banks, R. C. 1990. The identity of pennant's waoacuthu owl and the subspecific name of the population of Bubo virginianus from West of Hudson Bay. Journal of Raptor Research. (24) : 80-83.
• Burton J.A. 1984. Owls of the world: their evolution, structure, and ecology. Peter Lowe. Eurobook Limited. Netherlands.
• Castro, S. A. y Jaksic´, F. M. 1995. Great Horned and Barn Owls prey differentially according to the age/size of a rodent in North central Chile. Journal of Raptor Research. (29) : 245-249.
• Costa Rica, Asamblea Legislativa. Decreto No. 26435-MINAE. La Gaceta, Diario Oficial (3 de Diciembre 1997).
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• Costa Rica, Ministerio de Ambiente y Energía (MINAE). 1997. Ley de Conservación de la Vida Silvestre y su Reglamento, No. 7317. 2 da. Edición. EDITEC EDITORES, S.A.. San José, Costa Rica. 134 p.
• Crum, Robert. 1989. Calling the Owls. Sierra 74: 73-74.
• Cunningham, J. D. 1960. Food habits of the Horned and Barn Owls. CONDOR. 62 (3) : 222.
• D. I. Rasmussen, Biotic communities of Kaibab Plateau, Arizona, Ecol. Monogr. 11(3):228-275, from p. 261 (1941).
• Davis, L. I. 1972. A field Guide to the Birds of Mexico and Central America. University of Texas Press. Austin, Texas.
• De la Peña , M. R. 1986. Guía de aves Argentinas. Planes de Ciencia y Técnica. 1. Buenos Aires, Argentina.
• De la Torre, J. 1990. Owls their life and behavior. Crown Publisher, Inc. New York, NY, U.S.A.
• 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..
• Donázar, J. A., Hiraldo, F., Delibes, M. y Rodríguez-Estrella, R. 1989. Comparative food habits of the Eagle Owl Bubo bubo and Great Horned Owl Bubo virginianus in six Paleartic and Neartic biomes. Ornis Scandinavica. (20) : 289-306.
• Donázar, J. A., Travaini, A., Ceballos, O., Delibes, M. y Hiraldo, F. 1997. Food habits of the Great Horned Owl in Northwestern Argentine Patagonia: The role of introduced lagomorphs. Journal of Raptor Research. (31) : 364-369.
• Duncan, J. R. y Lane, P. A. 1988. Great Horned Owl observed Hawking insects. Journal of Raptor Research. (22) : 93.
• Eaton, S. W. NA. Great Horned Owl Bubo virginianus. En: R. F. Andrle y J. R. Carroll (eds.) The Atlas of Breeding Birds in New York State. Cornell University Press.
• Eckert, A. W. y Karalus, K. E. 1987. The owls of North America (North of Mexico). Weathervane Books. New York, USA.
• Enríquez-Rocha, P. L. y Rangel-Salazar, J. L. 1996. Nest site records of the Yucatan Great Horned Owl in Sian ka'an, Mexico. Ornitología Neotropical. 7 (2) : 149-151.
• Enríquez-Rocha, P. L., Rangel-Salazar, J. L. y Holt, D. W. 1993. Presence and distribution of Mexican Owls: a review. Journal of Raptor Research. 27 (3) : 154-160.
• Escalante-Pliego, P., Sada, M. A. y Robles-Gil, J. 1996. Listado de nombres comunes de las aves de México. CONABIO; Comisión Nacional para el Conocimiento y Uso de la Biodiversidad y Sierra Madre. México D.F.
• FEIS by the USDA Forest Service (Online source)
• Fogden, M. 1973. Fishing owls, Eagle owls and the Snowy: Ketupa, Scotopelia, Bubo, Nyctea. En: Burton J.A. (eds.) Owls of the world: their evolution, structure, and ecology. Peter Lowe. Eurobook Limited.
• Frank, R. A. y Lutz, R. S. 1997. Great Horned Owl (Bubo virginianus) productivity and home range characteristics in a shortgrass prairie. 2do. International Symposium. Biology and conservation of owls of the Northern Hemisphere. : 185-189
• Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names. ix + 259
• Goodrich, L. J. y Senner, S. E. 1988. Recent trends of wintering Great Horned Owls (Bubo virginianus), Red-tailed Hawk (Buteo jamaicensis) and two of their avian prey in Pennsylvania. Proceedings of the Pennsylvania Academy of Science. (62) : 131-137.
• Gretch, M. 1987. Great Horned Owl predation of Great Blue Heron. The Kingbird. (37) : 6.
• Grossman, M. L. y Hamlet, J. 1964. Birds of Prey of the World. Bonanza Books. New York, USA.
• Grosvenor, Gilbert and Alexander Wetmore. 1937. The Book of Birds., volume II . National Geographic Society, Washington D.C.: 8-9.
• Hilty, S. L. y Brown, W. L. 1986. A guide to the birds of Colombia. Princeton Univ. Press. New Jersey. USA.
• Hiraldo, F., Delibes, M., Rodríguez-Estrella, R. y Donázar, J. A. 1983. Relaciones tróficas entre cuatro especies de Strigiformes en el área del Pinacate Sonora, México.  . II Congreso Iberoamericano de Ornitología.
• Holscher, C. E. 1943. Observations on the Montana Horned Owl. CONDOR. 45 (2) : 58-60.
• Houston, C. S. y Whitfield, D. W. A. 1975. Eggs of other species in Great Horned Owl nests. AUK. 92 (2) : 377-378.
• Houston, C. S., Crawford, R. D. y Houston, D. S. 1987. Addled eggs in Great Horned Owl nests in Saskatchewan. Proceedings of the symposium on the biology and conservation of northern forest owls. : 225-227
• Houston, C. S., D. G. Smith, and C. Rohner. 1998. Great Horned Owl (Bubo virginianus). In The Birds of North America, No. 372 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.
• Houston, C. S., D. G. Smith, and C. Rohner. 1998. Great Horned Owl (Bubo virginianus). In The Birds of North America, No. 372 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.
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• IUCN 1992. Neartic and Neotropical. En: IUCN; International Union for the Conservation of Nature. (eds.) Protected Areas the World: a review of national systems. The World Conservation Monitoring Centre. . United Kingdom.
• Iriarte, J. A., Franklin, W. L. y Johnson, W. E. 1990. Diets of sympatric raptors in Southern Chile. Journal of Raptor Research. (24) : 41-46.
• Jaksic´, F. M., Rau, J. y Yañez, J. 1978. Oferta de presas y prelación por Bubo virginianus (Strigidae) en el Parque Nacional Torres del Paine. Ans. Inst. Pat. Ser. Cs. Nat., Punta Arenas. (9) : 199-202.
• Johnsgard, P. A. 2002. North American Owls: Biology and Natural History. 2nd ed. Smithsonian Institution Press, Washington, DC, 298 pp.
• Johnsgard, P. A. 2002. North American Owls: Biology and Natural History. 2nd ed. Smithsonian Institution Press, Washington, DC, 298 pp.
• Johnsgard, P. A. 2002. North American Owls: biology and natural history. Washington D. C. USA.
• Köenig, C., Weick, F. y Becking, J. H. 1999. Owls. A guide to the owls of the world. Yale University Press. USA.
• König, C., F. Weick, and J.-H. Becking. 2009. Owls of the World. 2nd ed. Yale University Press, New Haven, CT, 528 pp.
• König, C., F. Weick, and J.-H. Becking. 2009. Owls of the World. 2nd ed. Yale University Press, New Haven, CT, 528 pp.
• 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.
• Laiding, K. J. y Dobkin, D. S. 1995. Spatial overlap and habitat associations of Barred Owls and Great Horned Owls in Southern New Jersey. Journal of Raptor Research. (29) : 151-157.
• Lewis, T.J. & F.G. Stiles.1980. Locational checklist of the birds of Costa Rica. Costa Rica Expeditions. San José, Costa Rica.
• Llinias-Gutiérrez, J., Arnaud, G. y Acevedo, M. 1991. Food habits of the great horned owl (Bubo virginianus) in the Cape Region of Lower California, Mexico. Journal of Raptor Research. (25) : 104-141.
• Lynch, W. 2007. Owls of the United States and Canada: a complete guide to their biology and behavior. JHU Press, 242 pp.
• Lynch, W. 2007. Owls of the United States and Canada: a complete guide to their biology and behavior. JHU Press, 242 pp.
• Marcot, B. G. 1995. Owls of old forests of the world. Gen. Tech. Rep. PNW-GTR- 343. Portland, OR. USA.
• Marks, J. S., Cannings, R. J. y Mikkola, H. 1999. Great Horned Owl (Bubo virginianus). Handbook of the Birds of the World. : 185
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• NGS; National Geographic Society 1987. Field guide to the birds of North America. 2ª Ed. Washington D.C. USA.
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• P. G. Howes, The Giant Cactus Forest and Its World: A Brief Biology of the Giant Cactus Forest of Our American Southwest (Duell, Sloan, and Pearce, New York; Little, Brown, Boston; 1954), from pp. 222-239, from p. 227.
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