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 LC    Undulated Antshrike* Id (Atlas):
    Frederickena unduliger

Description (10)
Image of Undulated Antshrike
 

Family
Thamnophilidae (Typical Antbirds)

Size
23 cm

First Described (Guide)
(Pelzeln, 1868)

Habitat
Subtropical and tropical moist lowland forest. From sea-level - 1,100 m.

Range (Guide)
Bolivia, Brazil, Colombia, Ecuador, Peru.

Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is unknown (2010).

Status LC
For more information see BirdLife International Species Factsheet.

Voice
Xeno-Canto Sound Files (more (7)...)

 
Undulated Antshrike (Frederickena unduliger) [XC223215]
     by Felipe Arantes from Moises trail, Sao Gabriel da Cachoeira, Amazonas, Brazil (song)

 
Undulated Antshrike (Frederickena unduliger) [XC388473]
     by GABRIEL LEITE from Canutama, Amazonas, Brazil (song)

Subspecies
Genus presumed related to Thamnophilus on basis of external morphology, especially the strongly hooked bill, but supporting molecular or other evidence unavailable. Considered to form a superspecies with Black-throated Antshrike (Frederickena viridis). Subspecies defined on basis of female plumages, but racial assignment of specimens often difficult because of extensive individual (though possibly age-related) variation, even among females from same locality; geographical limits of fulva and diversa are based on preliminary vocal analysis. Re-examination of taxa required, and molecular and vocal analysis likely to prove most useful.

The following 4 subspecies are recognised:

  • unduliger (Pelzeln, 1868)   -  North-western Amazonian Brazil on upper R Negro, possibly extending south to northern bank of R Solimíµes.
  • fulva J. T. Zimmer, 1944   -  South-eastern Colombia (eastern Cauca, western Caquetá, western Putumayo), eastern Ecuador and eastern Peru (north of R Marañón and R Amazon), possibly extending eastern into Brazil (Amazonas north of R Solimíµes). Considered by some authors to be a distinct species, Fulvous Antshrike (Frederickena fulva).
  • diversa Zimmer, JT, 1944   -  Eastern Peru (south of R Marañón and R Amazon) and north-western Bolivia (southern La Paz, extreme southern Beni).
  • pallida Zimmer, JT, 1944   -  South-western Amazonian Brazil (Amazonas south of R Amazon), probably also north-central Bolivia (eastern Pando).



References
See References.


Files:
JPG files for Undulated Antshrike (Frederickena unduliger) - 10 files


More Information

BirdLife International

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