Great Horned Owl – Wikipedia, the free encyclopedia
The Great Horned Owl, Bubo virginianus, is a … subpopulations and with ssp. nigrescens … Great Horned Owl (Bubo virginianus). In: Poole, A. & Gill, F. (eds.): The Birds of North …
en.wikipedia.org/wiki/Bubo_virginianus

ITIS Standard Report Page: Bubo virginianus
… Bubo virginianus nigrescens Berlepsch, 1884 … Reference for: Bubo virginianus … Chief, Bird Section, U.S.G.S. – B.R.D. – P.W.R.C. Reference for: Bubo virginianus
www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=177884&source

Great Horned Owl – Bubo virginianus – Information, Pictures, Sounds
… Horned Owl – Bubo virginianus … however, birds living in the northern part of the species’ range may migrate south. Distribution of Bubo virginianus … B. v. nigrescens, B. v …
www.owlpages.com/owls.php?genus=Bubo&species=virginianus

Elevate Bubo virginianus magellanicus to species level
Elevate Bubo v. magellanicus (Strigidae) to species … altitudinal effect) and overlaps in size with nigrescens … I have played virginianus tape to birds in Chile just out of curiosity …
www.museum.lsu.edu/~Remsen/SACCprop328.html

Florida Bird Sounds
All bird sounds on this website are taken from the … Great Horned Owl: Bubo virginianus: short (233 kb) long (824 kb) x … Seaside Sparrow (extinct!) Ammodramus maritimus nigrescens …
www.flmnh.ufl.edu/natsci/ornithology/sounds.htm

Owl or Eagle
The Pucara style bird image was first identified as a … and more specifically as the Great Horned Owl (Bubo virginianus … Though Chav é z (1992:229) suggested the nigrescens subspecies …
www-rohan.sdsu.edu/~bharley/WWWBirdOwlorEagle.htm

Bubo virginianus – Wikipedia, la enciclopedia libre
… B. v. saturatus Ridgway, 1877; B. v. nigrescens Berlepsch, 1884; B … alberga contenido multimedia sobre Bubo virginianus. Commons; Vídeos de Búho Cornudo en Internet Bird Collection
es.wikipedia.org/wiki/Bubo_virginianus

great horned owl: Definition from Answers.com
A large North American owl (Bubo virginianus … subpopulations and with ssp. nigrescens … Great Horned Owl (Bubo virginianus). In: Poole, A. & Gill, F. (eds.): The Birds of North …
www.answers.com/topic/great-horned-owl

Great Horned Owl
Great Horned Owl Bubo virginianus … variable throughout its range, from large pale birds … B.v.nigrescens: Ecuador and Columbia B.v …
www.owls.org/Species/bubo/great_horned_owl.htm

Tumacacori NHP: Bird Check List
Bird Check List. Bird (Aves): a warm-blooded … Great Horned Owl Búbo virginiánus * Goatsuckers … Black-throated Gray Warbler Dendroíca nigréscens
www.nps.gov/archive/tuma/Bird_List.html

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