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

Equatorial Antpitta
Grallaria saturata
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 equatorial antpitta is about 14.5 to 15 cm (5.7 to 5.9 in) long and weighs 32 to 47 g (1.1 to 1.7 oz). The sexes have the same plumage. Adults have mostly rufous-brown upperparts; the sides of their head are somewhat more rufous. Their underparts are also mostly more rufous than their upperparts, with dark gray-brown flanks, a light rufous center to the belly, a buffy white to white vent, and whitish undertail coverts. Voice: The equatorial antpitta's long song is "a rapid, slightly descending trill of short, ringing notes lasting ~1.5–3.5 ". Its short song "begins with a single clear note, followed by a brief pause and then a fast, accelerating but stuttering trill of 4–5 notes". It apparently sings mostly at dawn and from a low perch.
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 Equatorial Antpitta.