Family Typical Antbirds (Thamnophilidae)

Critically Endangered

Rio Branco Antbird (Cercomacra carbonaria)


French: Grisin charbonnier German: Rio-Branco-Ameisenfänger Spanish: Hormiguero del Branco

Cercomacra carbonaria

P. L. Sclater and Salvin

, 1873,

Rio Branco, Roraima, Brazil


See C. melanaria. Monotypic.


Extreme N Brazil (middle R Branco and tributaries) and adjacent Guyana (R Ireng).

Descriptive notes

14–15·5 cm; one individual 14·5 g. Male is black, outer scapulars edged white, interscapular patch and hidden patch under scapulars white, wing-coverts... read more


Male loudsong a couplet consisting of short buzzy note and longer, clearer note, repeated 4–... read more


Understorey and mid-storey of dense viny thickets bordering lowland tropical river-edge forest.... read more

Food and feeding

Little known. Feeds on insects, including orthopterans (Tettigoniidae), probably also on spiders. Closely associated partners, individuals... read more


Little known. In Roraima, nest found in Aug on São Jose I, and female in heavy moult and with reduced gonads in Oct near Boa Vista,... read more


Presumed resident.

Status and conservation

CRITICALLY ENDANGERED. Restricted-range species, found only along mid Rio Branco and its major tributaries: present in Rio Branco Gallery Forest EBA. Locally fairly common.... read more

Recommended citation

Zimmer, K., Isler, M.L. & Sharpe, C.J. (2020). Rio Branco Antbird (Cercomacra carbonaria). 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).