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
Rufous-bellied Euphonia
Euphonia rufiventris
The rufous-bellied euphonia is about 10 cm (3.9 in) long and weighs 13 to 18 g (0.46 to 0.63 oz). It is a smallish euphonia with a stout bill. The species is sexually dimorphic. Adult males of the nominate subspecies have a dark steel-blue head, throat, chest, and upperparts. Their flight feathers and tail are dusky with a steel-blue tinge and steel-blue feather edges. They have a patch of golden-yellow pectoral feathers that is usually hidden under the wing. Their underparts below the chest are mostly orange that is somewhat golden-yellow on the sides. Voice: The rufous-bellied euphonia's song is described as "a disjointed, mechanical series of pure whistles, quiet liquid sounds, and short warbles, with various phrases given before any is repeated". Its calls include "a rapid, deep, ringing chatter: tcheetcheetcheetchee and a liquid whit".
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
Learn this pair in the BeakBrain App
Photo and call practice. Coming soon to iPhone and Android.
Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Bronze-green Euphonia and Rufous-bellied Euphonia.