Golden-collared Manakin
Manacus vitellinus
The golden-collared manakin is about 10 to 12 cm (3.9 to 4.7 in) long and weighs about 15 to 24 g (0.53 to 0.85 oz). The species is sexually dimorphic and males are larger than females. Adult males of the nominate subspecies M. v. vitellinus have a jet black crown, back, wings, and tail. Their chin, throat, and breast are a deep and glossy golden-yellow that also wraps around the nape to form the eponymous collar. The chin and throat feathers are long and can be projected forward. Their lower breast, flanks, belly, and undertail coverts are olive green with a yellow-olive wash on the belly.
ID text from Wikipedia, CC BY-SA 4.0
White-collared Manakin
Manacus candei
The white-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 11 cm long and weighs 18.5 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 white, 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
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: Golden-collared Manakin and White-collared Manakin.