Ashy-headed Greenlet
Hylophilus pectoralis
The ashy-headed greenlet is 12 cm (4.7 in) long and weighs 10.3 to 12.4 g (0.36 to 0.44 oz). The sexes have the same plumage. Adults have a dull gray forehead, crown, and nape. They have a dull grayish white supercilium and grayish ear coverts. Their upperparts are dull greenish. Their wings and tail are dull greenish with brighter greenish edges on the feathers. Their chin is off-white, their throat mottled grayish white, their breast greenish yellow, their flanks grayish, and their belly dull white. Voice: The ashy-headed greenlet's song is a "high, hurried Wéeje-Wéeje-Wéeje-, rapid tutjeweé-tutjeweé-tutjeweé-, loud, sharp WúTjirrrr".
ID text from Wikipedia, CC BY-SA 4.0
Grey-chested Greenlet
Hylophilus semicinereus
The grey-chested greenlet is about 12 cm (4.7 in) long; one individual weighed 13 g (0.46 oz). The sexes have the same plumage. Adults of the nominate subspecies have a grayish green forehead and a grayer crown. Their lores and the sides of their face are buffy and their ear coverts gray-buff. Their upperparts are greenish. Their wings' primaries and secondaries are blackish gray with greenish edges and the tertials are blackish gray with yellow edges on the inner webs. Their tail is dull olive-green with brighter green edges on the feathers. Voice: The grey-chested greenlet's song is a "very high, hurried wee-wee-wee... (about 8-20 x, but often too fast to count".
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Ashy-headed Greenlet and Grey-chested Greenlet.