Emerald Tanager
Tangara florida
The emerald tanager is a medium-sized tanager with a length of 10.6–13 cm (4.2–5.1 in) and a mass of 18–20.5 g (0.63–0.72 oz). Both sexes are similar in appearance, but the species shows slight sexual dimorphism, with females being duller and having yellow-green instead of yellow on the head. It may be confused with the glistening-green tanager but can be told apart by its less intense plumage. It is also similar to the blue-whiskered tanager but can be distinguished by the latter's black face and throat and turquoise cheeks. Voice: The emerald tanager makes a sharp chip or tsip which may be repeated and which occasionally accelerates into a rapid twitter. Its song is a series of loud cheet or chiip notes.
ID text from Wikipedia, CC BY-SA 4.0

Flame-faced Tanager
Tangara parzudakii
The flame-faced tanager is a distinctive-looking medium-sized species of tanager, being on average 14–15 cm (5.5–5.9 in) in length and 28 g (0.99 oz) in mass. Both sexes of the species look similar. The body is mostly black and silvery green. The auricle, malar surface, and forecrown is deep red, while the crown and nape are yellow. The underparts are mostly opalescent green mixed with buff. The central belly is pale cinnamon buff, while the flanks and undertail coverts are darker. The lower back and rump are opalescent golden, frequently with a bluish tinge.
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: Emerald Tanager and Flame-faced Tanager.