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Bird name:

Great Gray Owl

Strix nebulosaOrder: STRIGIFORMES Family: True Owls (Strigidae)
Codes: Common Name: GGOW Scientific Name: STRNEB ITIS Taxonomic No.: 177929
Least Concern
 
Great Gray Owl
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Overview

Great Gray Owl: Large owl, dark gray body interspersed with bars and flecks of brown, pale gray, and white. Head is large and without ear tufts. Yellow eyes are relatively small. Bulky appearance when perching due to dense, fluffy plumage, long wings extending past body, and relatively long tail.

Range and Habitat

Great Gray Owl: Found from Alaska across Canada, down the northern Rocky Mountains, and in northern Minnesota; also in northern Europe and Asia. Preferred habitats include stunted coniferous forests along the edge of the Arctic treeline and mixed or coniferous forests.

Topo Map: Owl-like Body


Listen to Call

Voice Text

"whooooooo-woo-wo", "hoot"

Interesting Facts

 The Great Gray Owl was first described by Johann Reinhold Forster in 1772. They have also been called the Phantom of the north, Spectral Owl, Lapland Owl, Spruce Owl, Bearded Owl and Sooty Owl.

 When hot, they will pant and droop their wings, exposing an unfeathered area called an apterid.

 They have been known to drive off predators as large as black bears when defending their nest.

 A group of owls has many collective nouns, including "a bazaar of owls", "a glaring of owls", "a parliament of owls", "a stooping of owls", and a "wisdom of owls."


Bird Term Glossary



Author

Gary Owen Dick

Splitbar
Range Map for Great Gray Owl

Related Birds

Barred Owl
Great Horned Owl
Short-eared Owl
Snowy Owl
Spotted Owl
Boreal Owl
Northern Hawk Owl
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Family True Owl (Strigidae)_blue
Species Strix nebulosa
Length24 - 33 Inches
Wingspan57 Inches

Great Gray Owl

Great Gray Owl: Large owl, dark gray body interspersed with bars and flecks of brown, pale gray, and white. Head is large and without ear tufts. Yellow eyes are relatively small. Bulky appearance when perching due to dense, fluffy plumage, long wings extending past body, and relatively long tail.

● Song: "whooooooo-woo-wo", "hoot"

● Foraging & Feeding: Great Gray Owl: Feeds primarily on small rodents such as voles and pocket gophers; also consumes shrews and birds. Hunts from a perch, from which it locates prey with its keen sense of hearing.

● Breeding & nesting: Great Gray Owl: Two to five white eggs are laid in an abandoned stick nest made by hawks, ravens, or crows. Female incubates eggs for 28 to 29 days.

● Similar species: Great Gray Owl: Barred Owl is smaller, has brown eyes, and is brown and white overall.

Flight Pattern

Silent direct flight., Quick, deep wing strokes., Several powerful wing beats.
Great Gray Owl Body Illustration
● Range & Habitat: Great Gray Owl: Found from Alaska across Canada, down the northern Rocky Mountains, and in northern Minnesota; also in northern Europe and Asia. Preferred habitats include stunted coniferous forests along the edge of the Arctic treeline and mixed or coniferous forests.
BreedingMonogamous
PopulationRare to uncommon
MigrationNonmigratory
Weight27.2 Ounces
Owl-like BodyX
4 and 6 letter alpha codesX

The four letter common name alpha code is is derived from the first two letters of the common first name and the first two letters of common last name. The six letter species name alpha code is derived from the first three letters of the scientific name (genus) and the first three letters of the scientific name (species). See (1) below for the rules used to create the codes..

Four-letter (for English common names) and six-letter (for scientific names) species alpha codes were developed by Pyle and DeSante (2003, North American Bird-Bander 28:64-79) to reflect A.O.U. taxonomy and nomenclature (A.O.U. 1998) as modified by Supplements 42 (Auk 117:847-858, 2000) and 43 (Auk 119:897-906, 2002). The list has been updated by Pyle and DeSante to reflect changes reported by the A.O.U from 2003 through 2006.

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ITIS CodesX

The Integrated Taxonomic Information System (ITIS) was established in the mid-1990�s as a cooperative project among several federal agencies to improve and expand upon taxonomic data (known as the NODC Taxonomic Code) maintained by the National Oceanographic Data Center (NODC), National Oceanic and Atmospheric Administration (NOAA).

To find the ITIS page for a bird species go to the ITIS web site advanced search and report page at http://www.itis.gov/advanced_search.html. You can enter the TSN or the common name of the bird. It will return the ITIS page for that bird. Another way to obtain the ITIS page is to use the Google search engine. Enter the string ITIS followed by the taxonomic ID, for example "ITIS 178041" will return the page for the Allen's Hummingbird.

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Parts of a Standing birdX
Head Feathers and MarkingsX
Parts of a Flying birdX