Family Typical Antbirds (Thamnophilidae)

Least Concern

Mato Grosso Antbird (Cercomacra melanaria)


French: Grisin du Mato Grosso German: Mato-Grosso-Ameisenfänger Spanish: Hormiguero de Mato Grosso

Formicivora melanaria


, 1835,

Minas Gerais; error = Cuiabá, Mato Grosso, Brazil


On basis of plumage, vocalizations and ecology, suggested to form a clade with C. ferdinandi, C. carbonaria and C. nigricans, the “C. nigricans group”, and this is supported by recent comprehensive molecular study#R. Monotypic.


C & E Bolivia (Beni, Cochabamba, Santa Cruz), extreme N Paraguay (Alto Paraguay) and SC Brazil (S Mato Grosso, W Mato Grosso do Sul).

Descriptive notes

16–16·5 cm; 18·5–19·5 g. Male is black, outer scapulars edged white, interscapular patch and hidden patch under scapulars white, wing-coverts edged white at tips... read more


Male loudsong 3 buzzy notes, first one abrupt, second long, third intermediate in length, sometimes... read more


Understorey thickets in gallery forest, tropical deciduous forest and seasonally flooded savanna... read more

Food and feeding

Little published. Feeds on variety of insects and spiders; stomach contents of single Mato Grosso specimen included spiders, orthopterans (... read more


In a study in the Brazilian Pantanal, laying was mainly in Oct–Nov; nests, found in sites with relatively dense vegetation, where low... read more


Presumed resident.

Status and conservation

Not globally threatened (Least Concern). Locally common, particularly in vast areas of Brazilian and Bolivian Pantanal. Only part of Pantanal is formally protected, but... read more

Recommended citation

Zimmer, K., Isler, M.L. & de Juana, E. (2020). Mato Grosso Antbird (Cercomacra melanaria). 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 26 February 2020).