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
Rufous-crowned Greenlet
Hylophilus poicilotis
The rufous-crowned greenlet is about 12.5 cm (4.9 in) long and weighs 9 to 12 g (0.32 to 0.42 oz). The sexes have the same plumage. Adults have a bright chestnut-brown forehead and crown and mottled grayish black ear coverts. Their nape, upper back, and shoulders are olive-green and their lower back and rump are a brighter green. Their wings are dull grayish black with thin greenish edges on the outer webs of the primaries and secondaries and yellow-green edges on the inner webs of the tertials. Their tail is grayish green with brighter greenish edges on the feathers' outer webs. Voice: The rufous-crowned greenlet's song is a "rapid, high teweét-teweét- - (3-6 x) or rapid swee-swee- - (4-5 x)". There is much variation throughout the species' range. When it groups it makes chek or chi-chek contact calls.
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 Rufous-crowned Greenlet.