Chaco Owl (Strix chacoensis)
Illustration redrawn by AI from a real photograph

Chaco Owl

Strix chacoensis Cherrie & Reichenberger, 1921

35–38 cmLength330 gWeight

The Chaco owl (Strix chacoensis) is an owl found in Argentina, Bolivia, and Paraguay.

Busiest months: October · Most records: Paraguay, Argentina, Bolivia

Near Threatened

Where and when it's recorded

Busiest months: October · Most records: Paraguay, Argentina, Bolivia

Chaco Owl has been recorded at 6 of the 8,276 birding hotspots we track, in 3 countries and regions.

Records by month Southern Hemisphere

Where it's recorded most

  1. PP ChancaníArgentina69 records
  2. Fortín Toledo, Dpto. BoquerónParaguay67 records
  3. Laguna Capitán, Dpto. Pte. HayesParaguay15 records
More places
  1. Boyuibe Side RoadBolivia7 records
  2. PN Chaco ÁreaArgentina3 records
  3. Bañado La Estrella Este – VertederoArgentina1 record

Countries and regions with the most records

ParaguayArgentinaBolivia

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 Chaco owl (Strix chacoensis) is an owl found in Argentina, Bolivia, and Paraguay.

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

Questions

How big is the Chaco Owl?

The Chaco Owl is about 35–38 cm long and weighs around 330 g.

Where does the Chaco Owl live?

Its breeding range: South America: southern Bolivia and western Paraguay to central Argentina. It is most often recorded in Paraguay, Argentina and Bolivia.

When is the best time to see the Chaco Owl?

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

Is the Chaco Owl endangered?

The IUCN Red List classifies the Chaco Owl as Near Threatened.

What does the Chaco Owl eat?

Main food: Vertebrate prey.

What family is the Chaco Owl in?

It belongs to the family Owls (Strigidae), order Strigiformes.

At a glance

Length
35–38 cm
Weight
330 g
Habitat
Forest
Diet
Vertebrate prey
Lifestyle
Perches in trees
Migration
Resident (barely migrates)
Conservation
Near Threatened
More measurements
Wing
274 mm
Tail
158 mm
Bill
34 mm
Tarsus
51 mm

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

Range

South America: southern Bolivia and western Paraguay to central Argentina

Breeding range, IOC World Bird List 15.2

Classification

Family
Owls Strigidae
Genus
Strix

Other birds in the genus Strix

Chaco Owl

Download illustration

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

WebP · 1070 px

Heard it but can't see it? Mingji identifies birds by sound and photo, on your phone.

In other languages