Undulated Antpitta
Grallaria squamigera
Grallaria antpittas are a "wonderful group of plump and round antbirds whose feathers are often fluffed up...they have stout bills, very short tails, and very long bluish gray legs". The undulated antpitta is the largest member of its genus that occurs in the higher Andes; it is 20 to 24 cm (7.9 to 9.4 in) long and weighs 112 to 174 g (4.0 to 6.1 oz). The sexes have the same plumage. Adults of the nominate subspecies have a gray crown and nape and mostly ashy brown upperparts with a variable olivaceous wash. Most upperparts feathers have darker edges that give a scaly appearance. Voice: The undulated antpitta typically sings from dawn into the early morning and from a low perch. It sings at any time of the year but more frequently during the breeding season. Its song has been compared to the voice of some small owls, "a fast hollow quavering trill that slightly ascends in pitch and lasts 3-4 seconds, e.g. 'hohohohohohohohohohohoho', with last few notes more enunciated".
ID text from Wikipedia, CC BY-SA 4.0
Variegated Antpitta
Grallaria varia
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 variegated antpitta is the largest member of its genus that occurs in the lowlands; it is 16 to 20.5 cm (6.3 to 8.1 in) long and weighs 90 to 135 g (3.2 to 4.8 oz). The sexes have the same plumage. Adults of the nominate subspecies G. v. varia have a dark olive forecrown; they have a slate gray crown and nape whose feathers have black tips and pale shafts. Voice: The song of the G. v. imperator variegated antpitta consists of a series of 11–14 notes, beginning with four to six long notes, increasing in volume, then rising slightly in pitch and pace to a series of six to eight loud, shorter notes, with the last note weaker.
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: Undulated Antpitta and Variegated Antpitta.