Bolivian Tyrannulet (Zimmerius bolivianus)
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Bolivian Tyrannulet

Zimmerius bolivianus (d'Orbigny, 1840)

10–12 cmLength11 gWeight

The Bolivian tyrannulet (Zimmerius bolivianus) is a species of bird in the family Tyrannidae, the tyrant flycatchers.

Busiest months: August–September · Most records: Peru, Bolivia

Least Concern

Where and when it's recorded

Bolivian Tyrannulet has been recorded at 15 of the 8,171 birding hotspots we track, in 2 countries and regions.

Records by month Southern Hemisphere

Where it's recorded most

  1. Cock-of-the-Rock Lodge & Manu Paradise LodgePeru545 records
  2. Old Coroico Rd.Bolivia88 records
  3. Chapare Region – Miguelito Substation Rd.Bolivia69 records
More places
  1. Tablas Monte AreaBolivia50 records
  2. Wayqecha Cloud Forest Biological StationPeru45 records
  3. Wayqecha Cloud Forest Birding LodgePeru41 records
  4. Santuario Historico Machu Picchu – Machu Picchu Ruinas (Valqui B3.2)Peru25 records
  5. CoroicoBolivia12 records
  6. Carretera a Manú – Túneles PillahuataPeru11 records
  7. Machu Picchu Pueblo/Aguas Calientes (Valqui B3.3)Peru7 records

Countries and regions with the most records

PeruBolivia

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 Bolivian tyrannulet (Zimmerius bolivianus) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Bolivia and Peru.

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

Questions

How big is the Bolivian Tyrannulet?

The Bolivian Tyrannulet is about 10–12 cm long and weighs around 11 g.

Where does the Bolivian Tyrannulet live?

Its breeding range: South America: southeastern Peru and central, western Bolivia. It is most often recorded in Peru and Bolivia.

When is the best time to see the Bolivian Tyrannulet?

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

Is the Bolivian Tyrannulet endangered?

The IUCN Red List classifies the Bolivian Tyrannulet as Least Concern.

What does the Bolivian Tyrannulet eat?

Main food: Insects & other invertebrates.

What family is the Bolivian Tyrannulet in?

It belongs to the family Tyrant Flycatchers, Calyptura (Tyrannidae), order Passerines (Passeriformes).

At a glance

Length
10–12 cm
Weight
11 g
Habitat
Forest
Diet
Insects & other invertebrates
Lifestyle
Perches in trees
Migration
Resident (barely migrates)
Conservation
Least Concern
More measurements
Wing
58 mm
Tail
50 mm
Bill
11 mm
Tarsus
16 mm

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

Range

South America: southeastern Peru and central, western Bolivia

Breeding range, IOC World Bird List 15.2

Classification

Order
Passerines Passeriformes
Genus
Zimmerius

Other birds in the genus Zimmerius

Guatemalan TyrannuletGuatemalan TyrannuletZimmerius vilissimusMistletoe TyrannuletMistletoe TyrannuletZimmerius parvusSpectacled TyrannuletSpectacled TyrannuletZimmerius improbusVenezuelan TyrannuletVenezuelan TyrannuletZimmerius petersiRed-billed TyrannuletRed-billed TyrannuletZimmerius cinereicapillaMishana TyrannuletMishana TyrannuletZimmerius villarejoiChico's TyrannuletChico's TyrannuletZimmerius chicomendesiSlender-footed TyrannuletSlender-footed TyrannuletZimmerius gracilipesGuianan TyrannuletGuianan TyrannuletZimmerius acerGolden-faced TyrannuletGolden-faced TyrannuletZimmerius chrysopsChoco TyrannuletChoco TyrannuletZimmerius albigularisPeruvian TyrannuletPeruvian TyrannuletZimmerius viridiflavus
Bolivian Tyrannulet

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Thibaud Aronson. ↗

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