Family Typical Antbirds (Thamnophilidae)

Least Concern

Rufous-tailed Antwren (Epinecrophylla erythrura)


French: Myrmidon à queue rousse German: Rostschwanz-Ameisenschlüpfer Spanish: Hormiguerito colirrufo

Myrmotherula erythrura

P. L. Sclater

, 1890,

Río Napo, Ecuador


Genetic, morphological and behavioural analyses indicate that this species is part of the monophyletic group referred to as the “stipple-throated antwren assemblage”#R#R. Races may intergrade. Two subspecies recognized.

Subspecies and Distribution
  • E. e. erythrura (P. L. Sclater, 1890) – SE Colombia (Meta E to Vaupés and S to Putumayo), E Ecuador, NE Peru (N of R Marañón and R Amazon) and extreme NW Brazil (W bank of upper R Negro).
  • E. e. septentrionalis (J. T. Zimmer, 1932) – E Peru (along base of Andes S of R Marañón S to Puno) and WC Amazonian Brazil (scattered records from Amazonas S of R Solimões, E to Tefé and middle R Juruá).
  • Descriptive notes

    10–11 cm; 9·5–12·5 g. Male has forehead to mantle olive-brown, back and tail rufous-chestnut; remiges brown, wing-coverts mostly blackish-brown, tipped pale buff... read more


    Loudsong apparently a countable, more or less evenly paced series of high-pitched “wheet... read more


    Understorey and mid-storey of lowland and foothill evergreen forest, primarily terra firme... read more

    Food and feeding

    Little published. Feeds on insects and spiders, taken almost exclusively from recesses of curled, arboreal dead leaves. Closely associated... read more


    Little known. Nest-building in Feb in Ecuador. Nest in Peru (season not recorded) described as dome-shaped with side entrance, compactly... read more


    None recorded; presumed resident.

    Status and conservation

    Not globally threatened. Not well known; considered fairly common throughout most of its range. Regions inhabited by this species contain several protected areas (e.g. Yasuní... read more

    Recommended citation

    Zimmer, K. & Isler, M.L. (2020). Rufous-tailed Antwren (Epinecrophylla erythrura). 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).