Bubo virginianus


All About Birds 2011. :<URL:http://www.allaboutbirds.org/guide/Great_Horned_Owl/id> Accessed 16 March 2014.

Birding/Wild Birds 2014.:<URL:http://birding.about.com/od/birdprofiles/p/Great-Horned-Owl.htm>. Accessed 16 March 2014.

Alderfer, J. 2005. Complete BIrds of North America. National Geographic Society, Washington D.C., USA.

Avian Biology. <URL:people.eku.edu/ritchisong/avian_biology.htm>. Accessed 29 March 2014.

Bird Web 2005. <URL:http://birdweb.org/Birdweb/bird/great_horned_owl> Accessed 16 March 2014.

Campbell, N.A., J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson. 2008. Biology. Pearson Benjamin Cummings, 

        San Francisco, California, USA.

Cholewilak, D. Animal Diversity Web 2014. <URL:http://animaldiversity.ummz.umich.edu/accounts/Strigiformes/> Accessed 17 March 2014.

Cianfaglione, P. 2007. Great horned owl takes occupied red-tailed hawk nest. Connecticut Warbler 27: 53-55.

Encyclopedia of Life. <URL:http://eol.org/pages/914958/overview>. Accessed 14 March 2014.

Elphick, C., J.B. Dunning Jr., and D.A. Sibley. 2001. The Sibley Guide to Bird Life & Behavior. Alfred A. Knopf, New York, USA.

Gutiérrez-Ibáñeza, C., Iwaniukc, A.N., and D.R. Wylie. 2011. Relative Size of Auditory Pathways in Symmetrically and Asymmetrically Eared Owls. Brain,

        Behavior and Evolution 78: 286-301.

Hall, S. Adirondack Wildlife. <URL:http://www.adirondackwildlife.org/GreatHornedOwls.html> Accessed 17 March 2014.

Johnson, S. Avian Web. <URL:http://www.avianweb.com/hornedowls.html> Accessed 18 March 2014.

Kinstler, K.A. 2009. Great horned owl Bubo virginianus vocalizations and associated behaviours. Ardea 97: 413-420.

Klappenbach, L. Facts About Great Horned Owls 2014. <URL: http://animals.about.com/od/owls/a/great-horned-owl-facts.htm> Accessed 16 March 2014.

Longland, W.S. 1989. Reversed sexual dimorphism: its effects on prey selection by the great horned owl Bubo virginianus. Oikos 54: 395-398.

Minor, W.F., Minor, M. and M.F. Ingraldi. 1993. Nesting of Red-Tailed Haws and Great Horned Owls in a Central New York Urban/Suburban Area. Journal of

        Field Ornithology 64: 433-439.

National Wildlife Federation 2014. <URL:http://www.nwf.org/Wildlife/Wildlife-Library/Birds/Great-Horned-Owl.aspx> Accessed 17 March 2014.

Nature Works 2014. <URL:http://www.nhptv.org/natureworks/greathornedowl.htm> Accessed 18 March 2014.

Robbins Jr., S.D. 1991. Wisconsin Birdlife. The University of Wisconsin Press, Madison, Wisconsin, USA.

Rohner, C. and C.J. Krebs. 1996. Owl predation on snowshoe hares: consequences of anitpredator behaviour. Oecologia 108: 303-310.

Rohner, C., C.J. Krebs, D.B. Hunter and D.C. Currie. 2000. Roost site selection of great horned owls in relation to black fly activity: an anti-parasite

        behavior?. The Condor 102: 950-955.

Vuilleumier, F. 2009. Birds of North America. DK Publishing, New York, New York, USA.

Walters, M. 1994. Birds' Eggs. Dorling Kindersley, New York, New York, USA.