Straneck's Tyrannulet (Serpophaga griseicapilla)
Illustration redrawn by AI from a real photograph

Straneck's Tyrannulet

Serpophaga griseicapilla Straneck, 2007

9–11 cmLength6.6 gWeight

Straneck's tyrannulet (Serpophaga griseicapilla), also known as the monte tyrannulet and grey-crowned tyrannulet, is a small species of bird in the family Tyrannidae, the tyrant flycatchers.

Busiest months: July–August · Most records: Argentina, Paraguay, Bolivia

Least Concern

Where and when it's recorded

Busiest months: July–August · Most records: Argentina, Paraguay, Bolivia

Straneck's Tyrannulet has been recorded at 120 of the 8,276 birding hotspots we track, in 5 countries and regions.

Records by month Southern Hemisphere

Where it's recorded most

  1. Reserva Ecológica Costanera SurArgentina2,015 records
  2. Reserva Ecológica Ciudad Universitaria - Costanera NorteArgentina537 records
  3. Reserva Gral. San MartínArgentina267 records
More places
  1. Reserva Ambiental Aguada de los PájarosArgentina259 records
  2. Dique Los Quiroga - Sgo. del EsteroArgentina256 records
  3. Reserva Natural Urbana Bosque AutóctonoArgentina231 records
  4. Reserva Natural Urbana del OesteArgentina218 records
  5. PP ChancaníArgentina165 records
  6. Reserva Natural Estricta Quebrada de Las Higueritas RNQHArgentina164 records
  7. Gran Asunción – Parque Guasu MetropolitanoParaguay154 records

Countries and regions with the most records

ArgentinaParaguayBoliviaUruguayBrazil

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

Straneck's tyrannulet (Serpophaga griseicapilla), also known as the monte tyrannulet and grey-crowned tyrannulet, is a small species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay.

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

Questions

How big is the Straneck's Tyrannulet?

The Straneck's Tyrannulet is about 9–11 cm long and weighs around 6.6 g.

Where does the Straneck's Tyrannulet live?

Its breeding range: South America: cw, northwestern Argentina. It is most often recorded in Argentina, Paraguay and Bolivia.

When is the best time to see the Straneck's Tyrannulet?

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

Is the Straneck's Tyrannulet endangered?

The IUCN Red List classifies the Straneck's Tyrannulet as Least Concern.

What does the Straneck's Tyrannulet eat?

Main food: Insects & other invertebrates.

What family is the Straneck's Tyrannulet in?

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

At a glance

Length
9–11 cm
Weight
6.6 g
Diet
Insects & other invertebrates
Lifestyle
Perches in trees
Migration
Migratory
Conservation
Least Concern
More measurements
Wing
49 mm
Tail
46 mm
Bill
11 mm
Tarsus
15 mm

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

Range

South America: cw, northwestern Argentina

Breeding range, IOC World Bird List 15.2

Classification

Order
Passerines Passeriformes
Genus
Serpophaga

Other birds in the genus Serpophaga

Straneck's Tyrannulet

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

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