Spotted Owl Strix occidentalis


AOU. 1998. Check-list of North American birds. American Ornithologists' Union, Washington, D.C.

Blakesley, J. A.; Anderson, D. R.; Noon, B. R. 2006. Breeding dispersal in the California Spotted Owl. Condor 108: 71-81.

Butcher, G. S.; Niven, D. K. 2007. Combining data from the Christmas bird count and the breeding bird survey to determine the continental status and trends of North American birds.

Collar, N. J.; Butchart, S. H. M. 2013. Conservation breeding and avian diversity: chances and challenges. International Zoo Yearbook 48(1): 7-28.

Dickerman, R. W. 1997. Geographic variation in southwestern U.S. and Mexican Spotted Owls, with the description of a new subspecies. In: Dickerman, R.W. (ed.), The era of Allan R. Phillips: a festschrift, pp. 45-48. Horizon Communications, Albuquerque, U.S.A.

Dugger, K.M.; Wagner, F.; Anthony, R. G.; Olson, G.S. 2005. The relationship between habitat characteristics and demographic performance of Northern Spotted Owls in Southern Oregon. Condor 107: 863-878.

Gutiérrez, R. J.; Franklin, A. B.; Lahaye, W. S. 1995. Spotted Owl (Strix occidentalis). In: Poole, A.; Gill, F. (ed.), The birds of North America, No. 179, pp. 1-28. The Academy of Natural Sciences, and The American Ornithologists' Union, Philadelphia, and Washington, DC.

Ishak, H. D.; Dumbacher, J. P.; Anderson, N. L.; Keane, J. J.; Valkiunas, G.; Haig, S. M.; Tell, L. A.; Sehgal, R. N. M. 2008. Blood parasites in owls with conservation implications for the Spotted Owl (Strix occidentalis). PLoS ONE 3(5): e2304.

Johnsgard, P. A. 1988. North American owls: biology and natural history. Smithsonian Institution Press, Washington, D.C. and London.

Kelly, S. G.; Forsman, E.D. 2004. Recent records of hybridization between Barred Owls (Strix varia) and Northern Spotted Owls (Strix occidentalis caurina). The Auk 121: 806-810.

Lammertink, J. M.; Rojas-Tomé, J. A.; Casillas-Orona, F. M.; Otto, R. L. 1996. Status and conservation of old-growth forests and endemic birds in the pine-oak zone of the Sierra Madre Occidental, Mexico. Institute for Systematics and Population Biology, Amsterdam.

Noon, B. R.; Blakesley, J. A. 2006. Conservation of the Northern Spotted Owl under the Northwest Forest Plan. Conservation Biology 20: 288-296.

Noon, B. R.; McKelvey, K. S. 1996. Management of the Spotted Owl: A case history in conservation biology. Ann. Rev. Ecol. and Syst. 27, pp. 135-162.

Sibley, C.G.; Monroe, B.L. 1990. Distribution and Taxonomy of Birds of the World. Yale University Press, New Haven, USA.

Willey, D. W.; van Riper III, C. 2007. Home range characteristics of Mexican Spotted Owls in the canyonlands of Utah. Journal of Raptor Research 41(1): 10-15.

Further resources

Explore HBW Alive for further information on this species

Search for photos and videos, and hear sounds of this species from the Internet Bird Collection

Media resources
Arkive species - Spotted owl (Strix occidentalis) 0

Recommended citation
BirdLife International (2017) Species factsheet: Strix occidentalis. Downloaded from http://www.birdlife.org on 17/10/2017. Recommended citation for factsheets for more than one species: BirdLife International (2017) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 17/10/2017.