Bubo virginianus
Bubo virginianus. In: Fire Effects Information System, [Online] … northwestern horned owl B. v. ssp. occidentalis Stone … Snyder, Ontario horned owl B. v. ssp. subarcticus (Hoy …
www.fs.fed.us/database/feis/animals/bird/buvi/all.html

Comprehensive Report Species – Bubo virginianus
A classification of the bird species … 1991) determined that B. v. occidentalis is a synonym of B. v. subarcticus. … On the validity of BUBO VIRGINIANUS OCCIDENTALIS Stone.
www.natureserve.org/explorer/servlet/NatureServe?searchSpeciesUid=ELEMENT_GLOBAL.2.770876

Great Horned Owl – Wikipedia, the free encyclopedia
The Great Horned Owl, Bubo virginianus, is a large owl … B. v. subarcticus Hoy, 1852: Northern Great Horned … Includes the birds described as occidentalis (but see below), and …
en.wikipedia.org/wiki/Bubo_virginianus

MSB Birds – Publications
… Multiple Losses of Flight in Ratite Birds … of the Subarctic Great Horned Owl (Bubo virginianus subarcticus … On the Validity of Bubo virginianus occidentalis Stone.
www.msb.unm.edu/birds/publications.html

BIRDS OF INDIANA: INDEX A-B
occidentalis Ægialitis meloda meloda circumcincta … virginianus subarcticus Bubonidæ (see also Hypothetical List) … Copyright Statement specifically for "The Birds of …
www.ulib.iupui.edu/collections/butlerbirds/index.html

Owls – Sciences, Life Sciences, Animals Pets, Wildlife, Birding …
THE WESTERN HORNED OWL. (Bubo virginianus subarcticus.) "Bird of the silent wing … The Spotted Owl, also known as Strix Occidentalis Caurina, has been an endangered bird since 1986
www.studysphere.com/Site/Sphere_366.html

WINGS Birding Tours to Colorado: Lekking Grouse – Bird List
Lekking Grouse – Bird List. WINGS is a … 6: Western Grebe: 3: 350: Aechmophorus occidentalis: 4: Clark’s Grebe … 6: Great Horned Owl: 3: 1: Bubo virginianus subarcticus
wingsbirds.com/birdLists/birdlist/104

The Bird Book/Owls – Wikisource
Stria,’ occidentalis occi. Range. Western United States, from southern … eggs being indistinguishable from those of the eastern bird. in. ARCTIC HORNED OWL. Bubo virginianus subarcticus.
en.wikisource.org/wiki/The_Bird_Book/Owls

great horned owl: Definition from Answers.com
A large North American owl (Bubo virginianus) having … B. v. subarcticus Hoy, 1852: Northern Great Horned … Includes the birds described as occidentalis (but see below), and …
www.answers.com/topic/great-horned-owl

BULLETIN
… study of Great Horned Owls, reported three birds banded as nestlings in Saskatchewan (=subarcticus) that … On the validity of Bubo virginianus occidentalis Stone. Auk: 1081964-965. …
www.ksbirds.org/kos/bulletin/Vol44No2.pdf

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