Frederickena is a genus of passerine birds in the antbird family, Thamnophilidae. These are among the largest antbirds, and are native to the Guianas and Amazon Rainforest in South America. They are infrequently seen and generally found at very low densities.
The genus contains three species:
- Black-throated antshrike, Frederickena viridis
- Undulated antshrike, Frederickena unduliger
- Fulvous antshrike, Frederickena fulva
- Gill, Frank; Donsker, David, eds. (2017). "Antbirds". World Bird List Version 8.1. International Ornithologists' Union. Retrieved 4 February 2018.
- Isler, M.L.; Isler, P.R.; Whitney, B.M.; Zimmer, K.J.; Whittaker, A. (2009). "Species limits in antbirds (Aves: Passeriformes: Thamnophilidae): an evaluation of Frederickena unduligera (Undulated Antshrike) based on vocalizations". Zootaxa. 2305: 61–68.
- "Proposal (431): Split Frederickena unduligera into two species". South American Classification Committee of the American Ornithological Society. April 2010. Retrieved 6 February 2018.
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