Guira Tanager
Hemithraupis guira
The guira tanager is a small species measuring 13–14 cm (5.1–5.5 in) in length and weighing around 12 g (0.42 oz) on average. The species is sexually dimorphic. Adult males are more brightly colored, with olive-green upperparts separated from the black face and throat by a bright yellow margin. The greenish to grayish stomach is separated from the throat by the rufous-orange breast. The wing feathers are generally blackish with greenish edges. Females have entirely olive-green upperparts, greenish-yellow underparts, and a whitish stomach.
ID text from Wikipedia, CC BY-SA 4.0
Yellow-backed Tanager
Hemithraupis flavicollis
The yellow-backed tanager is a relatively small tanager. It has a body mass of 12.9 g and a tail length of around 5 cm with the females having a slightly shorter tail. Like many tanagers, the yellow-backed tanager is sexually dimorphic, with vibrantly coloured males and duller females. While the males of different subspecies vary, most have a black head, neck, wings, and tail; a bright yellow throat, vent, and back; and a white breast, belly, and undertail coverts.
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: Guira Tanager and Yellow-backed Tanager.