Black-billed Treehunter
Thripadectes melanorhynchus
The black-billed treehunter is 20 to 20.5 cm (7.9 to 8.1 in) long and weighs 39 to 46 g (1.4 to 1.6 oz). It is a bulky, dark furnariid with a thrush-like shape. The sexes have the same plumage. Adults of the nominate subspecies have a mostly blackish-brown face with well-defined buff streaks and lores that are grizzled blackish brown and buff. Their crown is blackish brown with narrow buff streaks. Their back is dark brown with buff streaks and their rump dull dark brown that blends to reddish brown uppertail coverts. Their wings are rich dark brown and their tail dark chestnut-brown. Voice: The black-billed treehunter's song is "an accelerating, then decelerating, slightly descending series of c. 10–13 sharp 'kyip' notes with 'laughing' quality". The notes are sometimes paired.
ID text from Wikipedia, CC BY-SA 4.0
Uniform Treehunter
Thripadectes ignobilis
The uniform treehunter is 19 to 20 cm (7.5 to 7.9 in) long and weighs between 48 and 51 g (1.7 and 1.8 oz). It is the smallest, darkest, and shortest-billed member of its genus. The sexes have the same plumage. Adults have a vague narrow supercilium and wide eyering that are dull tawny-rufous, blackish brown lores grizzled with pale buff, blackish ear coverts with narrow ochraceous-buff streaks, and a dark brown malar area with lighter blurry streaks and spots. Their crown is dark brown with vague pale spots on the forehead. Their back and rump are slightly paler and redder than the crown. Voice: The uniform treehunter's song is a rather high-pitched "series of 6-8 sharp 'kik' or 'kyip' notes".
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Black-billed Treehunter and Uniform Treehunter.