Scaled Antpitta
Grallaria guatimalensis
Grallaria antpittas are a "wonderful group of plump and round antbirds whose feathers are often fluffed up...they have stout bills very short tails". The scaled antpitta is 15 to 19 cm (5.9 to 7.5 in) long and weighs 70 to 98 g (2.5 to 3.5 oz). The sexes have the same plumage. Adults of the nominate subspecies G. g. guatimalensis have a pale olive brownish forecrown with fine black scaling and a gray crown and nape. They have whitish or buffy lores, olive brown ear coverts with thin streaks, and blue-gray skin around their eye. Voice: The song of most subspecies of scaled antpitta is "a rapid series of quavering, hollow notes lasting 2-7 seconds, slowly increasing in volume and pitch and then quickly becoming quieter at the end: cau, cau, cau-cau-caucaucaucau, cau". That of subspecies G. g.
ID text from Wikipedia, CC BY-SA 4.0

Yellow-breasted Antpitta
Grallaria flavotincta
Grallaria antpittas are a "wonderful group of plump and round antbirds whose feathers are often fluffed up...they have stout bills very short tails". The yellow-breasted antpitta is 17 to 18 cm (6.7 to 7.1 in) long; one individual weighed 63 g (2.2 oz). The sexes have the same plumage. Adults have a dusky gray forecrown and lores with pale bluish- or grayish white bare skin around the eye. Their crown, back, rump, wings, and tail are unmarked rufous brown. Voice: The yellow-breasted antpitta's song is "3 hollow notes, first 2 almost merged, final one higher" and has been written as "pu-püüü-puuh". It responds to recordings with "a drawn-out, shrill and piercing' eeeeeeeeee-yk' ".
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: Scaled Antpitta and Yellow-breasted Antpitta.