Family Typical Antbirds (Thamnophilidae)

Least Concern

Large-tailed Antshrike (Mackenziaena leachii)


French: Batara de Leach German: Langschwanz-Ameisenwürger Spanish: Batará pintado

Thamnophilus leachii


, 1825,

Serra do Imbé, Rio de Janeiro, Brazil


Relationships uncertain; may not be very closely allied to M. severa. Type locality recently restricted to Serra do Imbé#R. Monotypic.


SE Brazil (EC Minas Gerais, S Espírito Santo and SW São Paulo S to N & C Rio Grande do Sul), E Paraguay (Caaguazú, Alto Paraná, Caazapá, Itapúa), NE Argentina (Misiones), and recently found in NE Cerro Largo, Uruguay#R.

Descriptive notes

25–26 cm; 58–62 g. Tail long and full. Male is black, with small white spots on crown, nape, upperparts and sides. Female is mostly brownish-black, forehead... read more


Loudsong a long (e.g. 4 seconds), ascending and then descending series of 15–21 evenly spaced... read more


Dense thickets of often bamboo-rich forest, from lowlands to 2150 m. Primarily at higher elevations... read more

Food and feeding

Variety of large insects, particularly orthopterans and large lepidopteran larvae, and other arthropods; also snails and slugs; reported to... read more


Nothing known.


Presumed resident throughout its range.

Status and conservation

Not globally threatened. Populations are found in several parks and reserves, including Itatiaia, Aparados da Serra, Serra dos Órgãos, Caraça and Iguaçu National Parks and... read more

Recommended citation

Zimmer, K. & Isler, M.L. (2020). Large-tailed Antshrike (Mackenziaena leachii). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 24 February 2020).