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Difference between revisions of "Eastern Screech-Owl" - BirdForum Opus

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[[Image:Eastern_Screech_Owl.jpg|thumb|550px|right|Photo by '''wv_vireo'''<br />Location: Charles Town, [[West Virginia]], [[USA]]]]
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[[Image:Eastern_Screech_Owl.jpg|thumb|550px|right|Photo by {{user|wv_vireo|wv_vireo}}<br />Charles Town, [[West Virginia]], [[USA]], November 2003]]
 
;[[:Category:Megascops|Megascops]] asio
 
;[[:Category:Megascops|Megascops]] asio
 
==Identification==
 
==Identification==
A small owl at 8.5 inches, Eastern Screech Owls occur in in 2 color morphs: red and gray. The gray morph is the most widespread over the eastern USA, but the red morph is frequent in the southeast. In Florida they are intermediate or brown.
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8.5 inches<br />
 +
Two color morphs: red and gray.<br />
 +
The gray is most common in eastern USA, but the red morph is found more frequently in the southeast.<br />
 +
Florida birds are intermediate or brown.
 
==Distribution==
 
==Distribution==
 +
[[Image:Editbabyowls.jpg|thumb|350px|right|Fledglings<br />Photo by {{user|sparroweye|sparroweye}}<br />[[Florida]], May 2008]]
 
East [[North America]] from east [[Montana]], the Great Lakes, and south [[Ontario]] to [[Florida]], the Gulf of Mexico, and further south to [[Tamaulipas]] in northeast [[Mexico]].  
 
East [[North America]] from east [[Montana]], the Great Lakes, and south [[Ontario]] to [[Florida]], the Gulf of Mexico, and further south to [[Tamaulipas]] in northeast [[Mexico]].  
 
==Taxonomy==
 
==Taxonomy==
This and almost all Screech Owls in the Americas have previously been considered to belong in the same genus (''Otus'') as the European and Asian Scops-Owls, but a reassignment to Megascops have been accepted by among other authorities, the American Ornithologists' Union.
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This and almost all Screech-Owls in the Americas have previously been considered to belong in the same genus (''[[:Category:Otus|Otus]]'') as the European and Asian Scops-Owls, but a reassignment to ''[[:Category:Megascops|Megascops]]'' has been accepted by among other authorities, the American Ornithologists' Union.
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====Subspecies====
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There are 6 subspecies<sup>[[#References|1]]</sup>:
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*''M. a. maxwelliae'':
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:*South-central [[Canada]] and north-central [[US]]
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*''M. a. naevius'':
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:*South-eastern Canada and north-eastern US (south to [[North Carolina]])
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*''M. a. asio'':
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:*[[Oklahoma]] to [[South Carolina]] and [[:Category:Georgia (U.S. state)|Georgia]]
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*''M. a. hasbroucki'':
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:*Central Oklahoma to [[Texas]]
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*''M. a. floridanus'':
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:*[[Louisiana]] to [[Florida]]
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*''M. a. mccallii'': '''(McCall's)''':
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:*Southern Texas to north-eastern [[Mexico]] (Nuevo Le¢n and Tamaulipas)
 
==Habitat==
 
==Habitat==
Their breeding habitat is deciduous or mixed woods in eastern North America. Usually solitary, they nest in a tree cavity, either natural or excavated by a woodpecker; they will also use nesting boxes. They are strictly nocturnal, roosting during the day in cavities or next to tree trunks.
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Their main habitat is open deciduous or mixed woodland and forest edges.
 
==Behaviour==
 
==Behaviour==
These birds wait on a perch on low limbs in open woods and along forest edges and swoop down on prey; they may also catch insects in flight. They mainly eat large insects and small rodents, as well as small birds. They are active at night or near dusk, using their excellent hearing and night vision to locate prey.
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Usually solitary. Nocturnal; using tree cavities for the day roost.
 +
====Breeding====
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They nest in a natural tree cavity or a woodpecker hole. They are also known to make use of nest boxes.
 +
They are strictly nocturnal, roosting during the day in cavities or next to tree trunks.
 +
====Diet====
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They swoop on prey from a perch on a lower tree branch or take insects in flight. Their diet consists of large insects, small rodents and small birds. They have excellent hearing and night vision to find their prey.
 +
==References==
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#{{Ref-Clements6thAug11}}#TrekNature
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{{ref}}
 
==External Links==
 
==External Links==
 +
Search the Gallery using the scientific name:
 
{{GSearch|Screech+Owl+asio}}
 
{{GSearch|Screech+Owl+asio}}
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Search the Gallery using the common name:
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{{GSearch|"Eastern Screech-Owl"}}
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{{GS-checked}}
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<br />
 +
<br />
 +
 
[[Category:Birds]][[Category:Megascops]]
 
[[Category:Birds]][[Category:Megascops]]

Latest revision as of 04:57, 2 July 2022

Photo by wv_vireo
Charles Town, West Virginia, USA, November 2003
Megascops asio

Identification

8.5 inches
Two color morphs: red and gray.
The gray is most common in eastern USA, but the red morph is found more frequently in the southeast.
Florida birds are intermediate or brown.

Distribution

Fledglings
Photo by sparroweye
Florida, May 2008

East North America from east Montana, the Great Lakes, and south Ontario to Florida, the Gulf of Mexico, and further south to Tamaulipas in northeast Mexico.

Taxonomy

This and almost all Screech-Owls in the Americas have previously been considered to belong in the same genus (Otus) as the European and Asian Scops-Owls, but a reassignment to Megascops has been accepted by among other authorities, the American Ornithologists' Union.

Subspecies

There are 6 subspecies1:

  • M. a. maxwelliae:
  • South-central Canada and north-central US
  • M. a. naevius:
  • M. a. asio:
  • M. a. hasbroucki:
  • Central Oklahoma to Texas
  • M. a. floridanus:
  • M. a. mccallii: (McCall's):
  • Southern Texas to north-eastern Mexico (Nuevo Le¢n and Tamaulipas)

Habitat

Their main habitat is open deciduous or mixed woodland and forest edges.

Behaviour

Usually solitary. Nocturnal; using tree cavities for the day roost.

Breeding

They nest in a natural tree cavity or a woodpecker hole. They are also known to make use of nest boxes. They are strictly nocturnal, roosting during the day in cavities or next to tree trunks.

Diet

They swoop on prey from a perch on a lower tree branch or take insects in flight. Their diet consists of large insects, small rodents and small birds. They have excellent hearing and night vision to find their prey.

References

  1. Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
  2. TrekNature

Recommended Citation

External Links

Search the Gallery using the scientific name:

Search the Gallery using the common name:

GSearch checked for 2020 platform.

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