The Mato Grosso antbird (Cercomacra melanaria ) is a species of bird in the family Thamnophilidae. It is found in Bolivia, Brazil, and Paraguay. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical moist lowland forests.
The Mato Grosso antbird is 16.5 cm (6.5 in) in length. The male is mainly black but has white fringes on the wing coverts and white tips at the end of the tail feathers. The female has similar white fringes and white tail tips but is gray above and paler gray below.
