Buff-cheeked Greenlet
Pachysylvia muscicapina
The buff-cheeked greenlet is 11.5 to 12 cm (4.5 to 4.7 in) long and weighs 9.5 to 13.5 g (0.34 to 0.48 oz). The sexes have the same plumage. Adults of the nominate subspecies have a gray-brown forehead and a blue-gray crown and nape. They have a buffy supercilium and blackish gray mottled ear coverts on an otherwise buffy-brown face. Their upperparts are greenish that is lighter on the rump. Their wings' primaries and secondaries are dark blackish gray with wide greenish edges on the outer webs. Their tail is dull greenish. Voice: The buff-cheeked greenlet's song is described as a "high, warbling weet-oh-weeréet".
ID text from Wikipedia, CC BY-SA 4.0
Golden-fronted Greenlet
Pachysylvia aurantiifrons
The golden-fronted greenlet is 11 to 12 cm (4.3 to 4.7 in) long and weighs an average of 9.5 g (0.34 oz). The sexes have the same plumage. Adults of the nominate subspecies have an ochre-olive forehead and a buffy brown crown. Their upperparts are greenish brown that is more yellowish green on the rump. Their wings' coverts are greenish brown and their primaries and secondaries are dull blackish gray with thin greenish edges on the outer webs. Their tail is dull olive-green. Their chin and throat are whitish buff, their breast grayish yellow, and their belly and vent yellowish. Subspecies P. Voice: The golden-fronted greenlet's song is "a short, quick, semimusical de-wichy-de-whéter, often over and over". Its calls include a "double note, chee-vee, and chattering or chirping note".
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: Buff-cheeked Greenlet and Golden-fronted Greenlet.