About Euphonia minuta Cabanis, 1849
Euphonia minuta Cabanis, 1849, commonly known as the white-vented euphonia, measures approximately 9.5 cm (3.7 in) in length. Both males and females of this species have a whitish midbelly and crissum. Males have blue-black upperparts, a yellow forehead, purple-black throats, and bright yellow underparts. Females have olive-green upperparts and whitish throats. This species produces calls that are single notes, transcribed as beem or seeu. There are two separate, disjunct populations of Euphonia minuta. The first population ranges from southern Mexico south along the Pacific coast to northwestern Ecuador. The second population is found across northern South America, from the eastern Andean foothills east to the state of Pará in Brazil, and south to northern Bolivia. The natural habitats of Euphonia minuta are the canopies and borders of moist woodland.