Chestnut-naped Antpitta
Grallaria nuchalis
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 chestnut-naped antpitta is 19.5 to 21 cm (7.7 to 8.3 in) long and weighs 104 to 122 g (3.7 to 4.3 oz). There is no plumage difference of the male and female. Adults of the nominate subspecies have a dark chestnut crown and a rufous-chestnut hindcrown, nape, and face. They have gray lores and a patch of bare white skin behind the eye. Their upperparts and tail are brown. Their wings are mostly brown with tawny-brown primaries. Voice: The chestnut-naped antpitta sings mostly at dawn and dusk, and usually from a hidden low perch. Its "distinctive and often-heard song a series of 4-7 well-enunciated and emphatic whistled notes, the first set all similar but the last long and sharply upslurred, e.g. 'keeu, kew-kew-kew k-wheeeei?'".
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: Chestnut-naped Antpitta and Yellow-breasted Antpitta.