About the Rusty-backed Spinetail
The rusty-backed spinetail is a Neotropical species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is found in Bolivia, Brazil, Colombia, Paraguay, Peru, Venezuela, and possibly Guyana.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
The rusty-backed spinetail is 15 to 16 cm (5.9 to 6.3 in) long and weighs 14 to 17 g (0.49 to 0.60 oz). The sexes have the same plumage. Adults of the nominate subspecies C. v. vulpina have a buff supercilium and a narrow dark brownish line behind the eye on an otherwise light brownish face that has faint streaks and spots. Their forehead is brown, their crown and back reddish chestnut, their rump brown, and their uppertail coverts reddish chestnut. Their tail is also reddish chestnut. Their wings are reddish chestnut with duskier tips on the flight feathers. Voice: The rusty-backed spinetail's song has variously been described as "a rapid series of emphatic notes gradually accelerating but fading, lasting c. 2·5–3 seconds, 'ch-ch-ch-chchchchchewewewewewew' ", "a series of descending, complaining notes 'scew-scew-scew- -", and a "rattly trill, descending, last 2-3 secs". Its call is "a soft, nasal, rising 'choy', 'choy-choy' or 'kuee-kweek' ".
Text from Wikipedia, licensed CC BY-SA 4.0.
Where it lives
When to see it
Peak activity in August · a resident species across most of its range
Easily confused with
Ash-browed SpinetailCranioleuca curtataThe ash-browed spinetail is 14 to 15 cm (5.5 to 5.9 in) long and weighs 14 to 21 g (0.49 to 0.74 oz).
Crested SpinetailCranioleuca subcristataThe crested spinetail is 14 to 15 cm (5.5 to 5.9 in) long and weighs about 14 g (0.49 oz).
Olive SpinetailCranioleuca obsoletaThe olive spinetail is 12.5 to 15 cm (4.9 to 5.9 in) long and weighs 12 to 16 g (0.42 to 0.56 oz).
Learn the Rusty-backed Spinetail for real
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