Orange-fronted Barbet
Capito squamatus
The orange-fronted barbet is 16 to 18 cm (6.3 to 7.1 in) long and weighs 56 to 64 g (2.0 to 2.3 oz). The male has a white crown and an orange to red forecrown (the "front"). Its head except for the chin and its upperparts are black; white on some wing feathers remain visible when they are folded. Its underside from chin to the belly are yellowish white, sometimes with an orange tinge. Its flanks usually have light black spotting and the vent area is black. The female's front is yellow-orange; the rest of its head, its throat, and chest are black. Voice: The orange-fronted barbet's song is a "low-pitched, very fast, soft, purring trill" . Its call is a noisy "tyik" or "trrik" .
ID text from Wikipedia, CC BY-SA 4.0

Scarlet-crowned Barbet
Capito aurovirens
The scarlet-crowned barbet is approximately 19 cm (7.5 in) long and weighs 46 to 75 g (1.6 to 2.6 oz). Like all barbets, it is a chunky bird with a heavy bill. Both sexes are mostly olive green with a whitish chin and orange-yellow throat and upper breast. The male's red crown extends down the nape. Its underparts below the upper breast are olive, gray, and yellow. The female has a white crown that transitions to olive on the nape and is otherwise similar to the male. The immature is a grayer olive and has an olive crown with traces of red or white according to sex. Voice: The scarlet-crowned barbet's song is "a series of low 'ttroup' or 'ttdoot' notes , and it countersings. Its calls are described as "grating-like" .
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-fronted Barbet and Scarlet-crowned Barbet.