| Large-tailed antshrike | |
|---|---|
| |
| In Piraju, São Paulo, Brazil | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Thamnophilidae |
| Genus: | Mackenziaena |
| Species: | M. leachii
|
| Binomial name | |
| Mackenziaena leachii (Such, 1825)
| |
| |
The large-tailed antshrike (Mackenziaena leachii) is a species of bird in the family Thamnophilidae. It is found in the southern Atlantic Forest.
Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest.