Grey-throated Leaftosser
Sclerurus albigularis
The grey-throated leaftosser is one of the larger members of genus Sclerurus. It is 16 to 18 cm (6.3 to 7.1 in) long and weighs 34 to 46 g (1.2 to 1.6 oz). The sexes are alike. The nominate subspecies has a grayish brown face with a somewhat scaly appearance. Its crown and back are rich chestnut-brown and its rump and uppertail coverts are a brighter reddish chestnut. Its flight feathers are rich brown and its tail is dark gray-brown. Voice: The grey-throated leaftosser's song is "a series of 4–6 tripled rising notes, 'kwu-kwu-kwe-kwe-kwi-kwi' " that sometimes has "musical trills" within it and at the end. Another description of it is "squeaky, plaintive, ascending, whistled notes, 'tuéé, tuéé, tuéé, tweééptu'." Its alarm call is "a squeaky, sharp 'cheek' or 'chik-chik'."
ID text from Wikipedia, CC BY-SA 4.0
White-browed Spinetail
Hellmayrea gularis
The white-browed spinetail is 11 to 13.5 cm (4.3 to 5.3 in) long and weighs 11 to 15 g (0.39 to 0.53 oz). It has a short tail compared to other spinetails. The sexes have the same plumage. Adults of the nominate subspecies H. g. gularis have whitish supercilia that almost meet on the forehead on an otherwise dark rufescent brown face. Their forehead, crown, and nape are rufescent brown with faint paler streaks. Their upperparts and wings are also rufescent brown. Their tail is rufescent brown; the ends of the feathers are pointed and lack barbs. Voice: The white-browed spinetail's song is "a series of high-pitched notes ending in trill, 'chit-chit-chit-chit-chi-chi-chichichichichichi' or 'cheet teet-teet-ti-tititit' ". Its calls include an "abrupt 'chip' " and a "nasal descending trill" and also "repeated single 'chiyt' or 'tseet' 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: Grey-throated Leaftosser and White-browed Spinetail.