Slender-tailed Woodstar (Microstilbon burmeisteri)
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Slender-tailed Woodstar

Microstilbon burmeisteri (Sclater, PL, 1888)

2.5 gWeight

The slender-tailed woodstar (Microstilbon burmeisteri) is a species of hummingbird in tribe Mellisugini of subfamily Trochilinae, the "bee hummingbirds".

Busiest months: October · Most records: Argentina, Bolivia

Least Concern

Where and when it's recorded

Busiest months: October · Most records: Argentina, Bolivia

Slender-tailed Woodstar has been recorded at 16 of the 8,276 birding hotspots we track, in 2 countries and regions.

Records by month Southern Hemisphere

Where it's recorded most

  1. PP Potrero de YalaArgentina84 records
  2. PN CalileguaArgentina49 records
  3. Refugio Los VolcanesBolivia22 records
More places
  1. Reserva Natural Privada Eco-Portal de PiedraArgentina15 records
  2. SamaipataBolivia13 records
  3. Area Protegida Municipal Curichi CuajoBolivia5 records
  4. Norte del Campo AlegreArgentina4 records
  5. Chapare Region – Miguelito Substation Rd.Bolivia3 records
  6. Santa Cruz Botanical GardensBolivia2 records
  7. Finca La MontañaArgentina2 records

Countries and regions with the most records

ArgentinaBolivia

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The slender-tailed woodstar (Microstilbon burmeisteri) is a species of hummingbird in tribe Mellisugini of subfamily Trochilinae, the "bee hummingbirds". It is the only species placed in the genus Microstilbon. It is found in Argentina and Bolivia.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Slender-tailed Woodstar?

The Slender-tailed Woodstar weighs around 2.5 g.

Where does the Slender-tailed Woodstar live?

Its breeding range: South America: central Bolivia to northwestern Argentina. It is most often recorded in Argentina and Bolivia.

When is the best time to see the Slender-tailed Woodstar?

At the hotspots we track, it is recorded most in October (Southern Hemisphere).

Is the Slender-tailed Woodstar endangered?

The IUCN Red List classifies the Slender-tailed Woodstar as Least Concern.

What does the Slender-tailed Woodstar eat?

Main food: Nectar.

What family is the Slender-tailed Woodstar in?

It belongs to the family Hummingbirds (Trochilidae), order Apodiformes.

At a glance

Weight
2.5 g
Habitat
Shrubland
Diet
Nectar
Lifestyle
Feeds in the air
Migration
Partial migrant
Conservation
Least Concern
More measurements
Wing
30 mm
Tail
16 mm
Bill
18 mm
Tarsus
5 mm

Averages from the AVONET dataset; length from field guides where available.

Range

South America: central Bolivia to northwestern Argentina

Breeding range, IOC World Bird List 15.2

Classification

Family
Hummingbirds Trochilidae
Genus
Microstilbon

More from the family Hummingbirds

Slender-tailed Woodstar

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from reference photos.

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