Bronze-green Euphonia
Euphonia mesochrysa
The bronze-green euphonia is 9 to 10 cm (3.5 to 3.9 in) long and weighs 12 to 15 g (0.42 to 0.53 oz). It is a rather drab euphonia with a thick stubby bill. The species is sexually dimorphic. Adult males of the nominate subspecies have a bright yellow forehead with a thin dark olive band below it. Their mid-crown is olive, their rear crown grayish, and their nape and the rest of their face olive. Their upperparts are olive with a strong gray-blue gloss. Their upperwing coverts are olive-green and their primary coverts blackish. Voice: One description of the bronze-green euphonia's song is "2 clear notes followed by a musical trill, tee-teeu-trrrrrt". Another is "usually a whistled note followed by one or more ringing rattles, for example peew brrrrrrr brr brr". Its call is "a distinctive, gravelly treeuh, treeuh".
ID text from Wikipedia, CC BY-SA 4.0

Jamaican Euphonia
Euphonia jamaica
The appearance of the Jamaican Euphonia is different for males and females. Males are a bluish-grey color with a yellow belly and pale undertail coverts, females are bicolored and have grey foreparts and olive backs and tails. Both males and females have short, thick bills. The appearance of a Jamaican Euphonia between the juvenile and adult stages are similar to the appearance of the female, although the coloration of a bird in this stage is not as bright. The average Jamaican Euphonia is 11 centimeters (about 4.33 in) in length and weighs 17 grams.
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: Bronze-green Euphonia and Jamaican Euphonia.