Black-faced Antthrush
Formicarius analis
The black-faced antthrush is 15 to 19 cm (5.9 to 7.5 in) long and weighs about 50 to 75 g (1.8 to 2.6 oz). The sexes have the same plumage. Adults of the nominate subspecies F. a. analis have a dusky brown crown. They have a small white spot on their lores and bare bluish skin around their eye. Their face from their bill to their eye is black that extends down to include the chin and throat. The rest of their face, their nape, back, and rump are brown. Voice: The three subspecies of the black-faced antthrush's hoffmanni group sing "an emphatic flat-pitched introductory whistle at ca. 2.0 kHz, followed by a slow series of 1–4 similar but slightly lower-pitched whistles (the latter maintaining about the same pitch).
ID text from Wikipedia, CC BY-SA 4.0
Rufous-breasted Antthrush
Formicarius rufipectus
The rufous-breasted antthrush is 18 to 19 cm (7.1 to 7.5 in) long. Males weigh 70 to 78 g (2.5 to 2.8 oz) and females 65 to 82 g (2.3 to 2.9 oz). The sexes have the same plumage. Adults of the nominate subspecies F. r. rufipectus have a dark chestnut crown, nape, and sides of their neck. Their face and throat are blackish with a bluish white ring of bare skin around their eye. Their back and wings are dark brown, their rump and uppertail coverts dark rufescent brown, and their tail blackish. Their flight feathers have dusky inner edges and a wide cinnamon band at the base. Voice: The rufous-breasted antthrush's song varies somewhat among the subspecies. It is "two clear whistles at 1·8–2 kHz, 'toot-toot', second note sometimes slightly higher-pitched in rufipectus, usually so in carrikeri. The species' call is "a double-noted chirp" written by one author as "TU'TCHOOP".
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: Black-faced Antthrush and Rufous-breasted Antthrush.