Family Hummingbirds (Trochilidae)

Least Concern

Swallow-tailed Hummingbird (Eupetomena macroura)


French: Colibri hirondelle German: Blauer Gabelschwanzkolibri Spanish: Colibrí golondrina

Trochilus macrourus

J. F. Gmelin

, 1788,

Jamaica; error = Cayenne


Nominate and race simoni intergrade in E Brazil (C Goiás, W & C Minas Gerais). Five subspecies recognized.

Subspecies and Distribution
  • E. m. macroura (J. F. Gmelin, 1788) – Suriname and N, C & SE Brazil (Amazonas–Rondônia border; Amapá and Pará; Mato Grosso, Goiás and Minas Gerais to São Paulo) to Paraguay and extreme NE Argentina (Misiones)#R.
  • E. m. simoni Hellmayr, 1929 – NE Brazil (S Maranhão, Piauí, Ceará, Pernambuco and Bahia to C Goiás and C Minas Gerais).
  • E. m. cyanoviridis Grantsau, 1988 – SE Brazil (Serra do Mar, in E São Paulo).
  • E. m. hirundo Gould, 1875 – SE Peru (upper Urubamba Valley, in C Cuzco).
  • E. m. boliviana J. T. Zimmer, 1950 – SE Peru (Pampas del Heath#R) and N Bolivia (La Paz, Beni).
  • Descriptive notes

    14·5–17·5 cm (including bill of 2·1 cm, tail 7–9 cm); male 8–9·7 g, female 6–7 g. Male has slightly curved black bill;... read more


    Song is a rapidly and repetitively delivered “tsuc tsuc tsuc”, with some individual variation,... read more


    Open savanna-like vegetation with shrubs and trees, including campos rupestres and ... read more

    Food and feeding

    Nectar of native and introduced flowering trees, including Leguminosae, Malvaceae (e.g., Pavonia viscosa, Hibiscus),... read more


    Season in Brazil at least Oct–Mar, also until Jun in state of São Paulo, where nests reported Nov–May in city of... read more


    Short-distance N–S migrant in Brazil, and the species only occurs in some campos... read more

    Status and conservation

    Not globally threatened. CITES II. Rare in the Guianas and only recently (Jan 2005) confirmed to occur in Argentina (in Misiones), where first reported in Jul 1993; the... read more

    Recommended citation

    Schuchmann, K.L. & Kirwan, G.M. (2020). Swallow-tailed Hummingbird (Eupetomena macroura). 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 January 2020).