








About the Spot-breasted Thornbird
The spot-breasted thornbird is a species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is found in Argentina and Bolivia.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
The spot-breasted thornbird is 17 to 18 cm (6.7 to 7.1 in) long and weighs about 19 to 26 g (0.67 to 0.92 oz). It is a medium-sized thornbird. The sexes have the same plumage. Adults have a light brownish supercilium that extends beyond the eye and an indistinct dull brown stripe behind the eye on an otherwise light brownish face. Their crown is rufous-brown with whitish streaks, their back dull reddish brown, and their rump and uppertail coverts a slightly paler reddish brown. Voice: The spot-breasted thornbird's song is "10–25 less evenly spaced, complaining notes, 'kew, kééé-keee-keee-keee-keee-keeh…' ". Its alarm call is "a series of squeaky ticking notes".
Text from Wikipedia, licensed CC BY-SA 4.0.
What the Spot-breasted Thornbird sounds like
Where it lives
When to see it
Peak activity in October · a resident species across most of its range
Easily confused with
Chestnut-backed ThornbirdPhacellodomus dorsalisThe chestnut-backed thornbird is 19 to 21 cm (7.5 to 8.3 in) long and weighs about 33 to 39 g (1.2 to 1.4 oz).
Streak-fronted ThornbirdPhacellodomus striaticepsThe streak-fronted thornbird is 16 to 17 cm (6.3 to 6.7 in) long and weighs about 23 to 29 g (0.81 to 1.0 oz).
Little ThornbirdPhacellodomus sibilatrixThe little thornbird is 13 to 14 cm (5.1 to 5.5 in) long and weighs about 14 to 16 g (0.49 to 0.56 oz).
Learn the Spot-breasted Thornbird for real
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