Family Hummingbirds (Trochilidae)

Least Concern

Green-tailed Goldenthroat (Polytmus theresiae)


French: Colibri tout-vert German: Grünschwanz-Glanzkehlchen Spanish: Colibrí de Teresa

Ornismya theresiae

Da Silva Maia

, 1843,

Pará, Brazil


Formerly separated in monotypic genus Smaragdites. Two subspecies recognized.

Subspecies and Distribution
  • P. t. theresiae (Da Silva Maia, 1843) – the Guianas and NC Brazil (from lower R Negro and R Madeira E to Pará and Amapá).
  • P. t. leucorrhous P. L. Sclater & Salvin, 1867 – E Colombia and S Venezuela (SW Bolívar, W Amazonas) to NW Brazil (upper R Negro), E Peru and N Bolivia#R.
  • Descriptive notes

    8·9–9·9 cm (including bill 2·5 cm); 3·0–3·9 g. Male has long bill, slightly decurved, upper mandible black, lower flesh-... read more


    Song is a repeated, long whinnying series of 20–25 notes, first rising then slightly falling, and... read more


    Forest edge and sandy savanna with scattered stands of bushes and small trees from 100 to 300 m... read more

    Food and feeding

    Nectar of flowering Melostomataceae. Arthropods are gleaned from leaves or caught in the air by hawking. Male occasionally occupies feeding... read more


    Mar–Apr and Aug–Oct (the Guianas), Oct–Nov (Venezuela), Nov–Mar (Brazil). Small cup-shaped nest of fine, buff-... read more


    Sedentary, but some wandering is known in Surinam, where species may occur at coastal mangrove... read more

    Status and conservation

    Not globally threatened (Least Concern). CITES II. A common and locally very abundant savanna bird at table mountain borders in La Gran Sabana, S Venezuela, and similar... read more

    Recommended citation

    Schuchmann, K.L., Kirwan, G.M. & Boesman, P. (2020). Green-tailed Goldenthroat (Polytmus theresiae). 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 25 February 2020).