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ForestCavity nestLarge · 330 g
ID tip
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.
Text from Wikipedia, licensed CC BY-SA 4.0.
When to see the Chaco Owl
One bar for each month, and every month is filled: this bird is recorded here in all twelve. The wide bar is October, the month with the most records.
Where to see the Chaco Owl
The map shades 3 countries with regular records. Everything unshaded has no records. Countries are listed below the map.
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.
Easily confused with
Spotted OwlStrix occidentalisThe spotted owl has an average length of 43 cm (17 in), wingspan of 114 cm (45 in), and weight of 600 g (1.3 lb).
Cinereous OwlStrix sartoriiVery few specimens of cinereous owl have been measured.
Himalayan OwlStrix nivicolumThe Himalayan owl measures 35–40 cm and has a wingspan of approximately 270mm, classifying it as a medium-sized owl.
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