Typical Antbirds (Thamnophilidae)

Large-tailed Antshrike (Mackenziaena leachii) - HBW 8, p. 534

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

Taxonomy: Thamnophilus leachii Such, 1825, Rio de Janeiro, Brazil.
Genus presumed related to Thamnophilus on basis of external morphology, especially the strongly hooked bill, but supporting molecular or other evidence unavailable. Relationships uncertain; may not be very closely allied with M. severa. Monotypic.

Distribution: 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) and NE Argentina (Misiones).