Blue-naped Chlorophonia
Chlorophonia cyanea
The blue-naped chlorophonia is a chunky, short-tailed, stubby-billed bird. It is about 11 cm (4.3 in) long and weighs 11 to 15 g (0.39 to 0.53 oz). The species is sexually dimorphic. Adult males of the nominate subspecies C. c. cyanea have a mostly glistening emerald-green head, throat, and chest. They have a turquoise-blue ring around the eye. Their nape and most of their upperparts are blue with a lighter and brighter blue rump. Their tail's upper surface is dusky with green-blue feather edges and its underside is gray. Their flight feathers are dusky with bright green edges. Voice: The blue-naped chlorophonia's song is "a choppy series of call notes mixed with liquid whistles, short warbles, and piercing notes". Its calls include "a descending, whistled heu or seeu and a nasal, mechanical enk and dit".
ID text from Wikipedia, CC BY-SA 4.0

Elegant Euphonia
Chlorophonia elegantissima
The elegant euphonia is 10 cm (3.9 in) long and weighs 13 to 17 g (0.46 to 0.60 oz). The species is sexually dimorphic. Adult males of the nominate subspecies C. e. elegantissima have a rufous forehead with a thin black border behind it. Their crown and nape are bright turquoise-blue that extends forward from the latter under the ear coverts. The rest of their head and their throat are black. Their upperparts, tail, and wings are glossy purplish black. Their underparts are tawny-orange that is darkest on the breast. Adult females have a rufous forehead. Voice: The elegant euphonia's song has been described as a "rapidly delivered liquid warble lasting up to several minutes with various complaining chatters, buzzes, and clear whistles". Its calls include "a sharp sip or suiit and a nasal ernt".
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Blue-naped Chlorophonia and Elegant Euphonia.