Thick-billed Euphonia
Euphonia laniirostris
The thick-billed euphonia is about 10 cm (3.9 in) long and weighs 13 to 16.5 g (0.46 to 0.58 oz). It is a small euphonia with one of the thicker bills of all euphonias, though it is not dramatically larger than the others'. The species is sexually dimorphic. Adult males of the nominate subspecies E. l. laniirostris have a bright yellow forehead; the patch extends slightly past the eye. The rest of their crown and their face, nape, and upperparts are glossy blue-black. Their upperwing coverts and flight feathers are dusky with a dark blue tinge. Voice: The thick-billed euphonia is rather vocal and a good mimic of other birds' vocalizations. Its song is "highly variable, a choppy series of call notes mixed with whistles, warbles, and piercing notes". Another description is "a long rambling series of original notes and mimicked notes of other birds". Its calls include " loud, sharp, whistled preet!
ID text from Wikipedia, CC BY-SA 4.0
Yellow-throated Euphonia
Euphonia hirundinacea
The yellow-throated euphonia is a small, short-billed, short-tailed arboreal passerine with pointed wings. An adult is 10–12 cm long with the tail contributing 3.3 to 3.6 cm. The wingspan is 5.8 to 6.1 cm and weight about 11.6 – 17.8 g. The adult male of the nominate species has a small bright yellow patch on its forehead that extends back to about the middle of the eyes. The rest of the head, upperparts including upper-wing coverts, and the upper-tail coverts are a glossy blue-black. The flight feathers are black with steel blue edgings and the entire underparts are yellow.
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: Thick-billed Euphonia and Yellow-throated Euphonia.