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Rufous-tailed Hummingbird

From Opus

Photo by Stanley JonesGuanacaste Province, Costa Rica, November 2011
Photo by Stanley Jones
Guanacaste Province, Costa Rica, November 2011
Amazilia tzacatl


[edit] Identification

8–11 cm (3-4¼ in)

  • Green throat (edged whitish in the female)
  • Crown, back and flanks are green with golden tints
  • Pale grey belly
  • Rufous vent and rump
  • Rufous, slightly forked tail, with a dusky tip
  • Black-tipped red bill is almost straight

[edit] Similar species

FemalePhoto by obasanmiSierra Llorona, Panama, March 2008
Photo by obasanmi
Sierra Llorona, Panama, March 2008

Buff-bellied Hummingbird, Cinnamon Hummingbird, and Berylline Hummingbird

[edit] Distribution

Central America: Mexico, Guatemala, Belize, Honduras, Nicaragua, Costa Rica, Panama
South America: Colombia, Venezuela, Ecuador, Peru

[edit] Taxonomy

[edit] Subspecies

Photo by Max13Costa Rica, December 2017
Photo by Max13
Costa Rica, December 2017

Five subspecies are recognized[1]:

  • A. t. tzacatl:
  • A. t. fuscicaudata:
  • A. t. brehmi:
  • A. t. jucunda:
  • A. t. handleyi (Escudo):
  • Isla Escudo de Veraguas (off Caribbean coast of north-western Panama)

The last of these is sometimes considered a full species Escudo Hummingbird (Amazilia handleyi); this is larger and darker than mainland birds.

[edit] Habitat

Tropical dry and rain forest, degraded subtropical montane forest up to 1850 m, open country, river banks, woodland, scrub, forest edge, coffee plantations and gardens .

[edit] Behaviour

Sometimes engages in extreme fights.

[edit] Breeding

The female builds a compact cup nest from plant-fibre and dead leaves 1-6 m high on a thin horizontal twig. The 2 white eggs are incubated solely by the female for 15-19 days, and fledging after 20-26.

[edit] Diet

The diet includes nectar, taken from a variety of flowers, and it also takes small insects.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from
  2. Avibase
  3. Wikipedia
  4. BF Member observations
  5. Birdforum photo with description of fighting behavior

[edit] External Links

A thread with more information on the Escudo video


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