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Bird name:

Spotted Owl

Strix occidentalisOrder: STRIGIFORMES Family: True Owls (Strigidae)
Codes: Common Name: SPOW Scientific Name: STROCC ITIS Taxonomic No.: 177925
Near Threatened
 
Spotted Owl
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Overview

Spotted Owl: Medium owl, white-spotted, brown upperparts, finely barred white underparts. Head lacks ear tufts. Eyes are brown. The wings are brown with white spots. A secretive bird, it inhabits dense old growth forests. An individual needs 3000 acres to survive due to scarcity of its food source.

Range and Habitat

Spotted Owl: Found from southwestern British Columbia south through the mountains of Washington, Oregon, and California, the western slopes of Sierra Nevada, and the southern Rockies; also occurs in Utah and central Colorado through Arizona's mountain ranges, New Mexico, extreme western Texas, and central Mexico. Preferred habitats include dense, dark, old growth or mixed mature and old growth coniferous forests.

Topo Map: Owl-like Body


Listen to Call

Similar Sounding

Voice Text

"hoo-hoohoo-hoo", "hoot-hoot-hoot", "co-weeep"

Interesting Facts

 The Spotted Owl was reported in 1860 by Hungarian immigrant John Xántus de Vesey.  Other names include Canyon Owl, Brown-eyed Owl, Wood Owl, Pootie Owl and Hoot Owl.

 Unlike most owls, they may not defend their eggs and young from predators, instead watching from nearby as the nest is destroyed.

 There seems to be a correlation between prey size and breeding success. The average weight of prey items of 4.1 oz. were found for successfully breeding owls. An average weight of 2.8 oz. for prey items were found for owls that were unsuccessful breeding.

 The Spotted Owl may be the most publicized of all endangered species in North America. Because of its dependence on large tracts of old-growth coniferous forests, management for this owl has caused tremendous turmoil in the forest harvesting industry, resulting in a dilemma of “jobs versus owls.”

 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 Spotted Owl

Related Birds

Barn Owl
Barred Owl
Great Gray Owl
Great Horned Owl
Short-eared Owl
Snowy Owl
Boreal Owl
Northern Hawk Owl
.
Family True Owl (Strigidae)_blue
Species Strix occidentalis
Length16 - 19 Inches
Wingspan40 Inches

Spotted Owl

Spotted Owl: Medium owl, white-spotted, brown upperparts, finely barred white underparts. Head lacks ear tufts. Eyes are brown. The wings are brown with white spots. A secretive bird, it inhabits dense old growth forests. An individual needs 3000 acres to survive due to scarcity of its food source.

● Song: "hoo-hoohoo-hoo", "hoot-hoot-hoot", "co-weeep"

● Foraging & Feeding: Spotted Owl: Feeds on flying squirrels, wood rats, gophers, small rabbits, mice, and voles. Forages from a perch, swooping down to capture prey on the ground, usually at night.

● Breeding & nesting: Spotted Owl: Lays one to four buff tinted, white eggs in stick nests of Northern Goshawks, clumps of mistletoe, large tree cavities, broken tops of large trees, large branches, or cavities in banks and rock faces. Female incubates for 28 to 32 days.

● Similar species: Spotted Owl: Barred Owl is larger and has a breast pattern of horizontal and vertical marks. Hybrid offspring show a mix of both parents’ traits.

Flight Pattern

Silent rapid wing strokes.
Spotted Owl Body Illustration
● Range & Habitat: Spotted Owl: Found from southwestern British Columbia south through the mountains of Washington, Oregon, and California, the western slopes of Sierra Nevada, and the southern Rockies; also occurs in Utah and central Colorado through Arizona's mountain ranges, New Mexico, extreme western Texas, and central Mexico. Preferred habitats include dense, dark, old growth or mixed mature and old growth coniferous forests.
BreedingMonogamous
PopulationRare to uncommon, In danger of habitat loss
MigrationIrregular
Weight20.8 Ounces
Owl-like BodyX
UnderpartsX
Belly, undertail coverts, chest, flanks, and foreneck.
UpperpartsX
Back, rump, hindneck, wings, and crown.
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