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Difference between revisions of "Undulated Antshrike" - BirdForum Opus

(behav, range, remove incomplete)
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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:
+
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.
+
 
 +
[[Fulvous Antshrike]] (''Frederickena fulva'') was considered a subspecies of ''F. unduligera'', but is now considered a separate species.<sup>[[#References|[1]]][[#References|[2]]]</sup>
 +
 
 
==Habitat==
 
==Habitat==
 
Moist lowland forests.
 
Moist lowland forests.

Revision as of 13:25, 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.

Geographic variation mostly in female plumage and voice. Female F. u. fulva has a more reddish, warmer color than the other subspecies and she is more heavily barred.

Distribution

Bolivia, Brazil, Colombia, Ecuador, 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. 2009. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2009. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
  2. Birdforum thread discussing the taxonomy of Undulated Antshrike
  3. Ridgely and Tudor 2009. Field guide to the songbirds of South America - The Passerines. University of Texas Press. ISBN 978-0-292-71979-8
  4. SACC proposal to split Fulvous Antshrike

Recommended Citation

External Links

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