| Undulated Antshrike | |
|---|---|
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Thamnophilidae |
| Genus: | Frederickena |
| Species: | F. unduliger |
| Binomial name | |
| Frederickena unduliger (Pelzeln, 1868) |
|
The Undulated Antshrike (Frederickena unduliger) is a relatively large species of antbird from the western Amazon in south-eastern Peru, western Brazil, and possibly far south-eastern Colombia. It formerly included the Fulvous Antshrike, which is found further west, as a subspecies.