Orange-collared Manakin
Manacus aurantiacus
The orange-collared manakin is, like its relatives, a compact short-tailed bird with a heavy hooked bill, orange legs and brightly coloured male plumage. It is typically 10 cm long and weighs 15.5 g. The adult male has a black crown, wings and tail, and a black band across the midback. The rest of the head, neck, breast and upper back are orange, the rump is olive-green, and the belly is bright yellow. The male wings are heavily modified, with the five outer primaries very narrow for their outer half, and the inner primaries thickened and bowed.
ID text from Wikipedia, CC BY-SA 4.0
White-crowned Manakin
Pseudopipra pipra
The white-crowned manakin is 9–10 cm (3.5–3.9 in) in length. The male of the nominate subspecies has an average weight of 11.0 g (0.39 oz); the female is slightly heavier and on average weighs 12.8 g (0.45 oz). It is a compact short-tailed bird with a stout hooked bill, dark legs, red eyes and striking male plumage. The adult male is mostly black with a white crown which can be erected as a low crest. His call is a buzzy jeeeee, louder and preceded by a popping p-p-p chee when displaying.
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: Orange-collared Manakin and White-crowned Manakin.