Bird Guide

Grey-eyed Greenlet vs Olivaceous Greenlet

Grey-eyed Greenlet (Hylophilus amaurocephalus)

Grey-eyed Greenlet

Hylophilus amaurocephalus

Tiny12 gShrubland

The grey-eyed greenlet is 12.5 to 13 cm (4.9 to 5.1 in) long. The sexes have the same plumage. Adults have a chestnut-brown forehead and crown and a pale grayish supercilium, and is mottled gray-white around the eye and on the ear coverts. Their nape and upper back are dull gray-brown and their lower back, shoulders, and rump are green-tinged gray-brown. Their wings are gray-brown with thin greenish edges on the outer webs of the primaries and secondaries. Their tail is gray-green with brighter edges on the feathers' outer webs. Voice: The grey-eyed greenlet's song is a "high, rather harsh see-see or te Teé-te Teé-te Teé and many other variations".

ID text from Wikipedia, CC BY-SA 4.0

Photo: Daniel S. Katz · CC BY 4.0
Olivaceous Greenlet (Hylophilus olivaceus)

Olivaceous Greenlet

Hylophilus olivaceus

Tiny12 gForest

The olivaceeous greenlet is 12 cm (4.7 in) long and weighs 11 to 13 g (0.39 to 0.46 oz). The sexes have the same plumage. Adults have a yellowish olive forehead. The rest of the top of their head and their upperparts, wings, and tail are dull olive-green. Their underparts are yellowish olive that is slightly lighter on the chin and a slightly brighter yellow on the belly. They have a whitish iris, a dull pink or brownish pink bill, and brownish pink legs and feet. Voice: The olivaceous greenlet's song has been described as a "distinctive and loud...series of up to 10-12 musical suwee or peer notes". Another description is "a single note repeated in a series, for example: wee wee wee wee wee wee wee".

ID text from Wikipedia, CC BY-SA 4.0

Sonogram of the Olivaceous Greenlet
Recorded by Niels Krabbe · Song · Zamora-Chinchipe: Bellavista, Palanda-Zumba road, Ecuador · CC BY-SA 4.0
Photo: Esteban Poveda · CC BY 4.0

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Photos and recordings are credited to their authors under the licence shown. Full profiles: Grey-eyed Greenlet and Olivaceous Greenlet.