How do you identify a Chaco Owl?

The Chaco owl is 35 to 38 cm (14 to 15 in) long. Full identification notes are on this page.

How big is a Chaco Owl?

The Chaco Owl is a large sized bird weighing about 330 g.

Where can you see a Chaco Owl?

The Chaco Owl occurs in 3 countries, including Argentina, Paraguay and Bolivia.

What birds look similar to a Chaco Owl?

The Chaco Owl is most easily confused with the Spotted Owl, the Cinereous Owl and the Himalayan Owl.

Is the Chaco Owl endangered?

The Chaco Owl is listed as Near Threatened on the IUCN Red List.

Chaco Owl

Strix chacoensis

Owls · Strigiformes · Rare

The Chaco Owl (Strix chacoensis) is a rare owl found in 3 countries, weighing about 330 g. The Chaco owl is an owl found in Argentina, Bolivia, and Paraguay.

Near ThreatenedRareEats vertebratesforestcavity nest330 g

Chaco Owl (Strix chacoensis), photo 1 — Photo: Jose Luis Navarro · http://creativecommons.org/licenses/by/4.0/

Chaco Owl (Strix chacoensis), photo 2 — Photo: Joaquin Valentinuzzi · http://creativecommons.org/licenses/by/4.0/

Chaco Owl (Strix chacoensis), photo 3 — Photo: Joaquin Valentinuzzi · http://creativecommons.org/licenses/by/4.0/

Chaco Owl (Strix chacoensis), photo 4 — Photo: Joaquin Valentinuzzi · http://creativecommons.org/licenses/by/4.0/

Chaco Owl (Strix chacoensis), photo 5 — Photo: Joaquin Valentinuzzi · http://creativecommons.org/licenses/by/4.0/

Chaco Owl (Strix chacoensis), photo 6 — Photo: Joaquin Valentinuzzi · http://creativecommons.org/licenses/by/4.0/

Chaco Owl (Strix chacoensis), photo 7 — Photo: Joaquin Valentinuzzi · http://creativecommons.org/licenses/by/4.0/

Chaco Owl (Strix chacoensis), photo 8 — Photo: Joaquin Valentinuzzi · http://creativecommons.org/licenses/by/4.0/

Chaco Owl (Strix chacoensis), photo 9 — Photo: Joaquin Valentinuzzi · http://creativecommons.org/licenses/by/4.0/

Chaco Owl (Strix chacoensis), photo 10 — Photo: Joaquin Valentinuzzi · http://creativecommons.org/licenses/by/4.0/

About the Chaco Owl

The Chaco owl is an owl found in Argentina, Bolivia, and Paraguay.

Text adapted from Wikipedia, licensed CC BY-SA 4.0.

How to identify it

The Chaco owl is 35 to 38 cm (14 to 15 in) long. Males weigh 360 to 435 g (12.7 to 15.3 oz) and females 420 to 500 g (15 to 18 oz). It has a round head with no ear tufts. Adults have a pale grayish white facial disk with concentric dark lines. Their upperparts are dusky brownish black with narrow white and yellowish buff barring. Their underparts are off-white with dark brown barring. The tail is dark grayish brown with narrow pale bars. Voice: The male Chaco owl's song is a "rather frog-like crococro craorr-craorr craorr-craorr, with emphasis on the first craorr". The female's song is similar but higher pitched.

Where it lives

Argentina Paraguay Bolivia

When to see it

The Chaco Owl can be seen all year round, with peak activity in October. It is a resident species across most of its range.

Easily confused with

Quick questions

How do you identify a Chaco Owl?: The Chaco owl is 35 to 38 cm (14 to 15 in) long. Full identification notes are on this page.
How big is a Chaco Owl?: The Chaco Owl is a large sized bird weighing about 330 g.
Where can you see a Chaco Owl?: The Chaco Owl occurs in 3 countries, including Argentina, Paraguay and Bolivia.
What birds look similar to a Chaco Owl?: The Chaco Owl is most easily confused with the Spotted Owl, the Cinereous Owl and the Himalayan Owl.
Is the Chaco Owl endangered?: The Chaco Owl is listed as Near Threatened on the IUCN Red List.

Learn the Chaco Owl for real

BeakBrain drills you on photos and calls until you can greet this bird by name in the field. Free to play, on any device.

Play BeakBrain

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