Order: Passeriformes | Family: Thamnophilidae | IUCN Status: Least Concern
Age: Adult | Sex: Male | Loc. Amazonas State, Brazil
Age: Adult | Sex: Female | Loc. Canutama, Amazonas, Brazil
Age: Adult | Sex: Male | Loc. Sao Gabriel da Cocheira, Amazonas, Brazil
Age: Adult | Sex: Female | Loc. Canutama, Amazonas, Brazil
Status: The Undulated Antshrike is rare but widespread in Amazonia where it ranges on the south side of the Amazon River. It also occurs in Br, and Bo.
Name in Spanish: Batará Ondulado.
Sub-species: Undulated Antshrike (Frederickena unduliger diversa), J. T. Zimmer, 1944.
Meaning of Name: Frederickena: In honor of Frederick Vavasour McConnell (1868-1914) English ornithologist, explorer in British Guiana, collector. unduliger: L. unda= wave, undula= wavelet, a little wave and gera, gerere= carrying, to carry.

Voice
References:
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- Species range based on: Schulenberg, T. S., D. F. Stotz, and L. Rico. 2006. Distribution maps of the birds of Peru, version 1.0. Environment, Culture & Conservation (ECCo). The Field Museum. http://fm2.fieldmuseum.org/uw_test/birdsofperu on 03/01/2017.