Family Typical Antbirds (Thamnophilidae)


Rondonia Bushbird (Clytoctantes atrogularis)


French: Batara du Rondonia German: Rondoniaameisenwürger Spanish: Batará de Rondonia

Clytoctantes atrogularis

S. M. Lanyon et al.

, 1991,

Rondônia, Brazil


Relationships uncertain. Original description appeared in 1990 issue of journal#R, but publication delayed to 15 Jan 1991#R. Monotypic.


N Rondônia, SE Amazonas and N Mato Grosso, in SW Amazonian Brazil; until recently known only from the type locality, on W bank of R Jiparaná, but lately few localities discovered in the Madeira-Tapajós interfluvium from near Jaci-Paraná#R and Reserva Biológica do Jarú#R E to R Sucunduri#R and Igarapés do Juruena State Park#R; perhaps Alta Floresta#R.

Descriptive notes

17 cm; 31–36 g. Male slightly larger and heavier than female. Lower mandible strongly upturned; bill black and very heavy. Male is dark grey, with a subtly blacker bib... read more


Male loudsong rendered “tree-tree-tree”, consisting of long sequences of regularly... read more


Lowland humid, relatively tall terra firme forest dominated by dense vine tangles, often... read more

Food and feeding

Little information available. Analyses of stomach contents of six specimens suggest mainly feeding, although not exclusively, on ants (... read more


Nothing known.


Presumed resident.

Status and conservation

VULNERABLE. Listed as Critically Endangered until 2008, but new records have significantly increased its known range. Until recently, known only from a single adult female... read more

Recommended citation

Zimmer, K., Isler, M.L., Sharpe, C.J. & Kirwan, G.M. (2020). Rondonia Bushbird (Clytoctantes atrogularis). 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).