Information about Spotted Owl
| Spotted Owl | ||||||||||||||
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) northern race plumage northern race plumage | ||||||||||||||
| Conservation status | ||||||||||||||
| Scientific classification | ||||||||||||||
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| Binomial name | ||||||||||||||
| Strix occidentalis Xantus de Vesey, 1860 | ||||||||||||||
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The Spotted Owl, Strix occidentalis, is a species of owl. It is a resident species of forests in western North America, where it nests in tree holes, old bird of prey nests, or rock crevices. Nests can be between 13 and 66 yards (12 to 60 meters) high and usually contain two eggs (though some will contain as many as four). It is a strictly nocturnal owl, which feeds on small mammals and birds.
This owl has a length of 43 cm (17 inches), a wingspan of 114 cm (45 inches, and a weight of around 600 g (21 ounces). Its eggs are a little over 2 inches (50 millimeters) long, and are white and smooth with a slightly grainy texture. The female sits on the eggs and cares for the young, while the male provides food for them.
The three sub-species of Strix occidentalis are Strix occidentalis caurina (Northern Spotted Owl), Strix occidentalis occidentalis, and Strix occidentalis lucida (often referred to as the Mexican Spotted Owl).[1] The Gila Wilderness is home to the largest population of the Mexican sub-species.[2]
The Spotted Owl is similar (some say genetically identical) to the Barred Owl but has cross-shaped markings on the underparts whereas the Barred Owl is alternately barred on the breast and streaked on the belly. Barred Owls are larger and grayer than Spotted Owls. In recent years the California and northern subspecies have been displaced by barred owls. [1]
One regionalism for the spotted owl is the "Pootie Owl." It is known by some other names in isolated areas, with the roots of said names unknown.
Citations
References
- BirdLife International (2004). Strix occidentalis. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006. Database entry includes a brief justification of why this species is near threatened
External links
- Read Congressional Research Service (CRS) Reports regarding the Spotted Owl
- CBS News: Blasting Some Owls To Save Others? Government Proposes Selectively Killing Cousins Of Threatened Spotted Owls To Protect The Species
- B.C.'s spotted owl near extinction Science advisory team recommends capturing and breeding remaining owls in British Columbia
- Spotted Owl videos on the Internet Bird Collection
- Spotted Owl photo gallery VIREO
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conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the
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Near Threatened (NT) is a conservation status assigned to species or lower taxa which may be considered threatened with extinction in the near future, although it does not currently qualify for the threatened status.
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Aves
Linnaeus, 1758
Orders
About two dozen - see section below
Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Linnaeus, 1758
Orders
About two dozen - see section below
Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Strigiformes
Wagler, 1830
Families
Strigidae
Tytonidae
Ogygoptyngidae (fossil)
Palaeoglaucidae (fossil)
Protostrigidae (fossil)
Sophiornithidae (fossil)
Synonyms
Strigidae sensu Sibley & Ahlquist Owls
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Wagler, 1830
Families
Strigidae
Tytonidae
Ogygoptyngidae (fossil)
Palaeoglaucidae (fossil)
Protostrigidae (fossil)
Sophiornithidae (fossil)
Synonyms
Strigidae sensu Sibley & Ahlquist Owls
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Strigidae
Vigors, 1825
Genera
some 25, see text
Synonyms
Striginae sensu Sibley & Ahlquist
True owls (family Strigidae) are one of the two generally accepted families of owls, the other being the barn owls (Tytonidae).
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Vigors, 1825
Genera
some 25, see text
Synonyms
Striginae sensu Sibley & Ahlquist
True owls (family Strigidae) are one of the two generally accepted families of owls, the other being the barn owls (Tytonidae).
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Strix
Linnaeus, 1758
Species
Some 15, see text.
Strix is a genus of owls. They belong to the typical owl family Strigidae, one of the two generally accepted living families of owls, with the other being the barn-owls (Tytonidae).
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Linnaeus, 1758
Species
Some 15, see text.
Strix is a genus of owls. They belong to the typical owl family Strigidae, one of the two generally accepted living families of owls, with the other being the barn-owls (Tytonidae).
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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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John Xantus de Vesey (born Xántus János)[ October 5, 1825 (Csokonya, Hungary) - December 13, 1894, (Budapest, Hungary)] was a Hungarian exile and zoologist. Trained as a lawyer, John Xantus (the aristocratic title de Vesey was an affectation, of which he had several
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18th century - 19th century - 20th century
1830s 1840s 1850s - 1860s - 1870s 1880s 1890s
1857 1858 1859 - 1860 - 1861 1862 1863
:
Subjects: Archaeology - Architecture -
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1830s 1840s 1850s - 1860s - 1870s 1880s 1890s
1857 1858 1859 - 1860 - 1861 1862 1863
:
Subjects: Archaeology - Architecture -
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Strigidae
Vigors, 1825
Genera
some 25, see text
Synonyms
Striginae sensu Sibley & Ahlquist
True owls (family Strigidae) are one of the two generally accepted families of owls, the other being the barn owls (Tytonidae).
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Vigors, 1825
Genera
some 25, see text
Synonyms
Striginae sensu Sibley & Ahlquist
True owls (family Strigidae) are one of the two generally accepted families of owls, the other being the barn owls (Tytonidae).
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North America is a continent [1] in the Earth's northern hemisphere and (chiefly) western hemisphere. It is bordered on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the southeast by the Caribbean Sea, and on the south and west
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- Accipitriformes
- Pandionidae
- Accipitridae
- Sagittariidae
- Falconiformes
- Falconidae
A
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1 yard =
SI units
0 m 0 mm
US customary / Imperial units
0 ft 0 in
A yard (abbreviation: yd) is the name of a unit of length in a number of different systems, including English units, Imperial units, and United States customarySI units
0 m 0 mm
US customary / Imperial units
0 ft 0 in
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1 metre =
SI units
1000 mm 0 cm
US customary / Imperial units
0 ft 0 in
The metre or meter[1](symbol: m) is the fundamental unit of length in the International System of Units (SI).SI units
1000 mm 0 cm
US customary / Imperial units
0 ft 0 in
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Strigiformes
Wagler, 1830
Families
Strigidae
Tytonidae
Ogygoptyngidae (fossil)
Palaeoglaucidae (fossil)
Protostrigidae (fossil)
Sophiornithidae (fossil)
Synonyms
Strigidae sensu Sibley & Ahlquist Owls
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Wagler, 1830
Families
Strigidae
Tytonidae
Ogygoptyngidae (fossil)
Palaeoglaucidae (fossil)
Protostrigidae (fossil)
Sophiornithidae (fossil)
Synonyms
Strigidae sensu Sibley & Ahlquist Owls
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1 centimetre =
SI units
010−3 m 0 mm
US customary / Imperial units
010−3 ft 0 in
A centimetre (American spelling: centimeter, symbol cmSI units
010−3 m 0 mm
US customary / Imperial units
010−3 ft 0 in
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1 inch =
SI units
010−3 m 0 mm
US customary / Imperial units
010−3 ft 010−3 yd
SI units
010−3 m 0 mm
US customary / Imperial units
010−3 ft 010−3 yd
An inch (plural: inches; symbol or abbreviation: in or, sometimes,
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Gram
Unit sign g
Measure Mass
Base Unit Kilogram
Multiple of Base 10−3
System SI, CGS, other
Common usage Commonly used in cooking and food labeling
Examples
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Unit sign g
Measure Mass
Base Unit Kilogram
Multiple of Base 10−3
System SI, CGS, other
Common usage Commonly used in cooking and food labeling
Examples
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ounce (abbreviation: oz) is the name of a unit of mass in a number of different systems, including various systems of mass that form part of English units, Imperial units, and United States customary units. Its size can vary from system to system.
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In most birds and reptiles, an egg (Latin ovum) is the zygote, resulting from fertilization of the ovum. To enable incubation the egg is usually kept within a favourable temperature range as it nourishes and protects the growing embryo.
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1 millimetre =
SI units
010−3 m 0 cm
US customary / Imperial units
010−3 ft 010−3 in
The millimetre (American spelling: millimeter, symbol mmSI units
010−3 m 0 cm
US customary / Imperial units
010−3 ft 010−3 in
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S. occidentalis
Subspecies: S. o. coronata
Trinomial name
Strix occidentalis caurina
The Northern Spotted Owl, Strix occidentalis caurina
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Subspecies: S. o. coronata
Trinomial name
Strix occidentalis caurina
The Northern Spotted Owl, Strix occidentalis caurina
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Location New Mexico, USA
Nearest city Silver City, New Mexico
Coordinates
Area 558,014 acres (0 km)
Established 1924
Governing body
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Nearest city Silver City, New Mexico
Coordinates
Area 558,014 acres (0 km)
Established 1924
Governing body
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S. varia
Binomial name
Strix varia
Barton, 1799
The Barred Owl, Strix varia, is a large typical owl.
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Binomial name
Strix varia
Barton, 1799
The Barred Owl, Strix varia, is a large typical owl.
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For dialects of programming languages, see .
A dialect (from the Greek word διάλεκτος, dialektos) is a variety of a language characteristic of a particular group of the language's speakers.
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IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List), created in 1963, is the world's most comprehensive inventory of the global conservation status of plant and animal species.
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IUCN
International Organization
Founded October 1948, Fontainebleau, France
Headquarters Rue Mauverney 28, 1196 Gland, Switzerland
Key people Mr Valli Moosa
Ms Julia Marton-Lefèvre
Industry Natural resource conservation
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International Organization
Founded October 1948, Fontainebleau, France
Headquarters Rue Mauverney 28, 1196 Gland, Switzerland
Key people Mr Valli Moosa
Ms Julia Marton-Lefèvre
Industry Natural resource conservation
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