Family Typical Antbirds (Thamnophilidae)

Least Concern

Southern White-fringed Antwren (Formicivora grisea)


French: Grisin de Cayenne German: Braunrücken-Ameisenfänger Spanish: Hormiguerito coicorita sureño

Turdus griseus


, 1783,

Cayenne, French Guiana


Hitherto considered conspecific with F. intermedia (which see). Possible race deluzae dubious; known from a single specimen from near Serra dos Órgãos (SE Brazil). Two subspecies recognized.

Subspecies and Distribution
  • F. g. rufiventris Carriker, 1936 – E Colombia (Meta and Guainía S to Caquetá) and S Venezuela (W Amazonas except extreme N).
  • F. g. grisea (Boddaert, 1783) – Guyana, coastal Suriname and French Guiana, N & E Brazil (drainage of R Branco, lower R Negro E to Amapá and, S of R Amazon, E from R Madeira apart from few scattered records W of it to W Amazonas, and S to Mato Grosso, Goiás, Bahia and, locally, to E Minas Gerais, Espírito Santo and N Rio de Janeiro) and NE Bolivia (E Beni, NE Santa Cruz).
  • Descriptive notes

    12–13 cm; 9–12 g (nominate). Male nominate race has white supercilium, dark greyish-brown crown and upperparts, crown with blackish feather centres, outer... read more


    Loudsong a monotonous series of dry or harsh notes repeated at same low pitch and pace, rendered... read more


    Understorey and midstorey of a variety of wooded habitats, generally at edges; typically below 1000... read more

    Food and feeding

    Feeds on variety of insects and spiders. Recorded prey items in Surinam include hemipterans, homopterans, larval lepidopterans,... read more


    Season varies considerably across broad range: Aug and Mar in French Guiana; in Brazil, nesting recorded in Sept–May and dependent... read more


    Presumed resident throughout range.

    Status and conservation

    Not globally threatened (Least Concern). Uncommon to fairly common throughout most of its rather extensive range. Some large protected areas exist within regions inhabited by... read more

    Recommended citation

    Zimmer, K., Isler, M.L. & Kirwan, G.M. (2020). Southern White-fringed Antwren (Formicivora grisea). 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).