Family Hummingbirds (Trochilidae)

Least Concern

White-tailed Goldenthroat (Polytmus guainumbi)


Taxonomy

French: Colibri guaïnumbi German: Bronzerücken-Glanzkehlchen Spanish: Colibrí guainumbí
Taxonomy:

Trochilus guainumbi

Pallas

, 1764,

Cape of Good Hope; error = Suriname

.

Closely related to P. milleri. Subspecies name andinus previously thought to be preoccupied and taxon was renamed doctus, but that belief was erroneous and renaming therefore unjustified. Three subspecies recognized.

Subspecies and Distribution
  • P. g. andinus Simon, 1921 – E Colombia (S to Meta and Vichada).
  • P. g. guainumbi (Pallas, 1764) – Venezuela and Trinidad to the Guianas and N Brazil (Amapá coast).
  • P. g. thaumantias (Linnaeus, 1766) – extreme SE Peru, Bolivia and C & E Brazil (S Maranhão and Bahia to Mato Grosso do Sul, São Paulo and N Paraná) to E Paraguay and NE Argentina.
  • Descriptive notes

    9·7–11·8 cm (including bill of 2·6 cm); 4·4–5 g. Male has long bill, decurved, upper mandible dull reddish to black, lower reddish,... read more

    Voice

    Gives fast-paced series of loud, excited “spit” notes, or sequence of three squeaky notes while... read more

    Habitat

    Waterlogged grassland, shrubby savanna, cerrado, freshwater swamps, from sea-level to 600... read more

    Food and feeding

    Nectar of flowering garden plants such as Lagerstroemia, low-growing shrubs like Lagerstroemia, Russelia... read more

    Breeding

    Season Feb–Aug (Trinidad, Surinam), Feb–Apr and Jul–Sept (French Guiana), Oct–Nov (Venezuela), Oct–Mar (... read more

    Movements

    Mostly sedentary; in Trinidad seasonal dispersal following reproduction, but movements suspected in... read more

    Status and conservation

    Not globally threatened (Least Concern). CITES II. Common to locally abundant throughout most of range; rather uncommon and local on Trinidad and also considered rare in... read more

    Recommended citation

    Schuchmann, K.L. & Kirwan, G.M. (2019). White-tailed Goldenthroat (Polytmus guainumbi). 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 https://www.hbw.com/node/55475 on 20 June 2019).