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Streamertail Trochilus polytmus

  • Order: Caprimulgiformes
  • Family: Trochilidae
  • Polytypic: 2 subspecies
  • Authors: Julia Brokaw


Breeding is year round but chiefly from January to mid May.

Polygynous mating system (Schuchmann 1999).

Cup shaped nest of fine plant fibers and cobwebs and lichen attached to outer wall. Nest cup is 2.5 cm deep and 3 cm in diameter (Gould 1972). Nests placed on thin twigs 1-3 meters above ground (Gosse 1847).

Clutch size of 2 white, oval eggs incubated 17-19 days by female. Fledgling period 19-24 days. Young remain with female for 3-4 weeks. Female has up to 3 broods per year (Gosse 1847, Schuchmann 1978).

Not known to be affected by brood parasitism.

Recommended Citation

Brokaw, J. (2013). Streamertail (Trochilus polytmus), version 1.0. In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA.