Family Typical Antbirds (Thamnophilidae)


Yellow-breasted Antwren (Herpsilochmus axillaris)


French: Grisin à poitrine jaune German: Gelbkehl-Ameisenfänger Spanish: Tiluchí pechiamarillo

Thamnophilus axillaris


, 1844,



Relationships with other species unclear. Plumage distinctions between races aequatorialis and puncticeps poorly understood. Four subspecies currently recognized.

Subspecies and Distribution
  • H. a. senex J. Bond & Meyer de Schauensee, 1940 – W & C Andes in W Colombia (Risaralda S to Cauca).
  • H. a. aequatorialis Taczanowski & Berlepsch, 1885 – E slope of Andes in SW Colombia (SW Caquetá), E Ecuador and N Peru (N of R Marañón in N Cajamarca).
  • H. a. puncticeps Taczanowski, 1882 – EC Peru S of R Marañón (S to Junín).
  • H. a. axillaris (Tschudi, 1844) – E slope in SE Peru (Cuzco E to Puno).
  • Descriptive notes

    11–12 cm; 10–13 g. Male has black crown spotted white, broken whitish supercilium; side of head mottled blackish and olive-yellow; upperparts olive-grey; flight-... read more


    Loudsong a rattle-like trill of dry notes (e.g. 30 notes, 2·2 seconds), flat, then... read more


    Subcanopy of humid montane evergreen forest and forest borders, at 800–1900 m; 500–1500... read more

    Food and feeding

    Feeds on variety of insects, probably also spiders. Forages in pairs, with partners closely associated, and in family groups, rarely singly... read more


    Almost nothing known. Record of female ready to lay egg in Mar in Peru.


    None recorded; presumed resident.

    Status and conservation

    VULNERABLE. Status not well known; no population estimates, but generally considered uncommon or rare and somewhat patchily distributed throughout its range. Region occupied... read more

    Recommended citation

    Zimmer, K., Isler, M.L. & Sharpe, C.J. (2020). Yellow-breasted Antwren (Herpsilochmus axillaris). 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).