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Difference between revisions of "Undulated Antshrike" - BirdForum Opus

(Split Fulvous Antshrike)
 
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{{Incomplete}}
 
 
;[[: Category:Frederickena|Frederickena]] unduligera
 
;[[: Category:Frederickena|Frederickena]] unduligera
 
==Identification==
 
==Identification==
Black throat with faint wavy white bars, rufous barred black upper and lower parts.
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Bill is very stout. <br />
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'''Male''': Black throat and upper breast black, rest of body black with faint wavy white bars. Female rufous barred black, about equal with on upper and narrower black on lower parts; tail black and grey.
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====Similar species====
 +
[[Fulvous Antshrike]]; differs mostly in voice and female plumage. Female [[Fulvous Antshrike]] has a more reddish, warmer color than the [[Undulated Antshrike]] and she is more heavily barred.  
 
==Distribution==
 
==Distribution==
[[Bolivia]], [[Brazil]], [[Colombia]], [[Ecuador]], and [[Peru]].  
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[[Bolivia]], [[Brazil]], and [[Peru]]; everywhere scarce and occurs in a patchy distribution.
  
 
==Taxonomy==
 
==Taxonomy==
 
Closely related to [[Black-throated Antshrike]].
 
Closely related to [[Black-throated Antshrike]].
 
====Subspecies<sup>[[#References|[1]]]</sup>====
 
====Subspecies<sup>[[#References|[1]]]</sup>====
There are 4 subspecies:
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There are three subspecies:
 
*''F. u. unduligera'':
 
*''F. u. unduligera'':
 
:*North-western Amazonian [[Brazil]] on upper Rio Negro
 
:*North-western Amazonian [[Brazil]] on upper Rio Negro
*''F. u. fulva'':
 
:*South-eastern [[Colombia]] to eastern [[Ecuador]] and eastern [[Peru]] (north of Río Marañón)
 
 
*''F. u. diversa'':
 
*''F. u. diversa'':
 
:*Eastern [[Peru]] (south of Río Marañón) and north-western [[Bolivia]] (southern La Paz, southern Beni)
 
:*Eastern [[Peru]] (south of Río Marañón) and north-western [[Bolivia]] (southern La Paz, southern Beni)
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:*South-western Amazonian [[Brazil]] south of the Amazon; northern Bolivia (?)
 
:*South-western Amazonian [[Brazil]] south of the Amazon; northern Bolivia (?)
  
There is a proposal to split Fulvous Antshrike (''Frederickena fulva'') as a monotypic species while leaving the other three subspecies together in this species.
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[[Fulvous Antshrike]] (''Frederickena fulva'') was considered a subspecies of ''F. unduligera'', but is now considered a separate species.<sup>[[#References|[1]]][[#References|[2]]]</sup>
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==Habitat==
 
==Habitat==
 
Moist lowland forests.
 
Moist lowland forests.
 
==Behaviour==
 
==Behaviour==
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Unobtrusive: generally difficult to detect.
 
==References==
 
==References==
#{{Ref-Clements6thDec09}}#[http://www.birdforum.net/showthread.php?t=158359 Birdforum thread] discussing the taxonomy of Undulated Antshrike
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#{{Ref-Clements6thDec10}}#{{Ref-GillDonsker10}}#[http://www.birdforum.net/showthread.php?t=158359 Birdforum thread] discussing the taxonomy of Undulated Antshrike
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# Ridgely and Tudor 2009. Field guide to the songbirds of South America - The Passerines. University of Texas Press. ISBN 978-0-292-71979-8
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#[http://www.museum.lsu.edu/~Remsen/SACCprop431.html SACC proposal] to split Fulvous Antshrike  
 
{{ref}}
 
{{ref}}
 
==External Links==
 
==External Links==
 
{{GSearch|Frederickena+unduligera}}
 
{{GSearch|Frederickena+unduligera}}
 
  
 
[[Category:Birds]] [[Category:Missing Images]] [[Category:Frederickena]]
 
[[Category:Birds]] [[Category:Missing Images]] [[Category:Frederickena]]

Latest revision as of 13:41, 12 January 2011

Frederickena unduligera

Identification

Bill is very stout.
Male: Black throat and upper breast black, rest of body black with faint wavy white bars. Female rufous barred black, about equal with on upper and narrower black on lower parts; tail black and grey.

Similar species

Fulvous Antshrike; differs mostly in voice and female plumage. Female Fulvous Antshrike has a more reddish, warmer color than the Undulated Antshrike and she is more heavily barred.

Distribution

Bolivia, Brazil, and Peru; everywhere scarce and occurs in a patchy distribution.

Taxonomy

Closely related to Black-throated Antshrike.

Subspecies[1]

There are three subspecies:

  • F. u. unduligera:
  • North-western Amazonian Brazil on upper Rio Negro
  • F. u. diversa:
  • Eastern Peru (south of Río Marañón) and north-western Bolivia (southern La Paz, southern Beni)
  • F. u. pallida:
  • South-western Amazonian Brazil south of the Amazon; northern Bolivia (?)


Fulvous Antshrike (Frederickena fulva) was considered a subspecies of F. unduligera, but is now considered a separate species.[1][2]

Habitat

Moist lowland forests.

Behaviour

Unobtrusive: generally difficult to detect.

References

  1. Clements, JF. 2010. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2010. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/Clements%206.5.xls/view
  2. Gill, F and D Donsker (Eds). 2010. IOC World Bird Names (version 2.7). Available at http://www.worldbirdnames.org/.
  3. Birdforum thread discussing the taxonomy of Undulated Antshrike
  4. Ridgely and Tudor 2009. Field guide to the songbirds of South America - The Passerines. University of Texas Press. ISBN 978-0-292-71979-8
  5. SACC proposal to split Fulvous Antshrike

Recommended Citation

External Links

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