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
Orange-fronted Plushcrown
Metopothrix aurantiaca
The orange-fronted plushcrown is 11 to 12 cm (4.3 to 4.7 in) long and weighs 10 to 12 g (0.35 to 0.42 oz). The sexes have the same plumage. Adults have an orange forehead ("front") and yellow lores, eyering, and supercilium; the last becomes greenish yellow behind the eye. They have a faint greenish olive line through the eye and greenish olive ear coverts. Their crown, back, rump, and tail are greenish olive, with the rump being somewhat paler. The "plush" of the crown is usually not apparent in the field. Voice: The orange-fronted plushcrown's song is a descending series of three to five high thin notes. Its call is a thin "tsweet-tsweet".
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 Orange-fronted Plushcrown.