Yellow-green Vireo

Vireo flavoviridisOrder: PASSERIFORMESFamily: Vireos (Vireonidae)

General

Yellow-green Vireo: Medium-sized vireo with olive-green upperparts, pale yellow underparts, and bright yellow sides and flanks. Crown is dull gray, eyebrows are white, and eyestripe is dark. Eyes are red. Sexes are similar.

Range and Habitat

Yellow-green Vireo: Breeds from Rio Grande Valley of Texas southward. Spends winters in tropics. Preferred habitats include streamside thickets and woodlands.

Listen to Call

Voice Text

"chiree-chree, swe, chiree-chree", "rrieeh"

Interesting Facts

The Yellow-green Vireo was first described in 1851 by John Cassin, an American ornithologist.

Some individuals are difficult to separate, even in the hand, from the similar Red-eyed Vireo, with which it is sometimes considered conspecific.

A group of vireos are collectively known as a "call" of vireos.

Author

Gary Owen Dick

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Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden.

Yellow-green Vireo

Yellow-green Vireo: Medium vireo, olive-green upperparts, pale yellow underparts, bright yellow sides and flanks. Crown is dull gray, eyebrows are white, and eyestripe is dark. Eyes are red. Bill is gray, legs, and feet are blue-gray. Flight is fast and direct on rapidly beating wings.

● Song: "chiree-chree, swe, chiree-chree", "rrieeh"

● Foraging & Feeding: Yellow-green Vireo: Feeds on a wide variety of insects and spiders; also eats seeds and berries. Forages in the middle to upper levels of forests, sometimes joining mixed-species flocks; may hover briefly to take insects or fruits.

● Breeding & nesting: Yellow-green Vireo: Two to four brown spotted, white eggs are laid in a nest made of grasses, plant fiber, lichens, moss, cobwebs, and strips of papery bark, and built from 5 to 40 feet above the ground. Incubation ranges from 13 to 14 days and is carried out by the female.

● Similar species: Yellow-green Vireo: Red-eyed Vireo is paler below and has markings that are more distinct on head.

Flight Pattern

Relatively fast direct flight on rapidly beating wings.

Yellow-green Vireo Breeding Male Body Illustration

● Range & Habitat: Yellow-green Vireo: Breeds from Rio Grande Valley of Texas southward. Spends winters in tropics. Preferred habitats include streamside thickets and woodlands.

^BreedingMonogamous, Solitary nester

^PopulationRare to casual

^MigrationMigratory

^Weight0.6 Ounces

Field Guide to Birds of North America