(behav, range, remove incomplete) |
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Line 11: | Line 11: | ||
Closely related to [[Black-throated Antshrike]]. | Closely related to [[Black-throated Antshrike]]. | ||
====Subspecies<sup>[[#References|[1]]]</sup>==== | ====Subspecies<sup>[[#References|[1]]]</sup>==== | ||
− | There are | + | 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. 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 (?) | ||
− | + | ||
+ | [[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:
- 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
- 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.
- Birdforum thread discussing the taxonomy of Undulated Antshrike
- Ridgely and Tudor 2009. Field guide to the songbirds of South America - The Passerines. University of Texas Press. ISBN 978-0-292-71979-8
- SACC proposal to split Fulvous Antshrike
Recommended Citation
- BirdForum Opus contributors. (2024) Undulated Antshrike. In: BirdForum, the forum for wild birds and birding. Retrieved 13 May 2024 from https://www.birdforum.net/opus/Undulated_Antshrike