Pin-tailed Manakin
Ilicura militaris
Males measure 12.5 cm (4.9 in), while the females measure 11 cm (4.3 in) from tail to beak at full maturity. There is clear sexual dimorphism between mature adults of this species, but can be nearly impossible to identify the sex for certain if they do not have the adult male colorations, as both juvenile males and females resemble each other. All pin-tailed manakins share some common traits: a forking tail at the very end of their rectrices, a slightly elongated forehead, brownish black legs, and bright yellow-orange irises. Voice: Vocalizations from this bird are often very quiet, but high-pitched. Their songs sound like "see-see-see" in descending tones, with an average anywhere from 3-8 "see" sounds. Many local birdwatchers are fond of this bird, despite it not being particularly rare, because it is difficult to track in the forest through its songs.
ID text from Wikipedia, CC BY-SA 4.0
Striolated Manakin
Machaeropterus striolatus
The striolated manakin is 9 to 10.3 cm (3.5 to 4.1 in) long and weighs 6.4 to 12.5 g (0.23 to 0.44 oz). The species is sexually dimorphic. Adult males of the nominate subspecies M. s. striolatus have a bright red forehead, crown, and nape. Their face, upperparts, and tail are bright olive-green. Their wings are mostly a grayer olive-green than the upperparts and have white tips on the tertials and white inner webs on the other flight feathers. Their chin and throat are buff or whitish. The rest of their underparts are whitish with bold red stripes on the breast, belly, and flanks. Voice: The male striolated manakin's "advertising call" varies among the subspecies but is "always somewhat insect-like". In Ecuador its song is described as a repeated "soft, clear, whistled who-cheéuw". In Peru it is described as "a high, sneezy cli-CHEW!".
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: Pin-tailed Manakin and Striolated Manakin.