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vireo

American  
[vir-ee-oh] / ˈvɪr iˌoʊ /

noun

vireos plural
  1. any of several small, insectivorous American birds of the family Vireonidae, having the plumage usually olive-green or gray above and white or yellow below.


vireo British  
/ ˈvɪrɪəʊ /

noun

  1. any insectivorous American songbird of the family Vireonidae, esp those of the genus Vireo, having an olive-grey back with pale underparts

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of vireo

1825–35; < New Latin; Latin vireō (Pliny), probably the greenfinch, derivative of virēre to be green

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

One part of it originated from the experiences I’ve had studying a species — the gray vireo — that most people have never heard of.

From Salon Apr. 23, 2025

The pair once spent a week combing brushy hills and mesas in the Grapevine Mountains on the eastern edges of Death Valley in hopes of spotting an elusive and rarely seen gray vireo.

From Los Angeles Times Jun. 29, 2023

The rose-breasted grosbeak is there too, and the red-eyed vireo, and the indigo bunting.

From Washington Post Feb. 22, 2023

The song that Gary made the recording of did sound a bit like a bird called a brown-capped vireo.

From Slate Nov. 20, 2021

He asks you no questions in jerky, colloquial triplets of song, so you may know by his voice at least that he is not the red-eyed vireo.

From Birds Every Child Should Know by Blanchan, Neltje

"The density of migratory warblers, flycatchers, and vireos crowded into these five forests is astounding, and means that each hectare protected there safeguards a disproportionate number of birds."

From Science Daily Nov. 22, 2025

Some of the relatively understudied species were Philadelphia vireos, crissal thrashers, black-chinned sparrows, and olive warblers.

From Salon Apr. 23, 2025

The next morning, they found two gray vireos only a few hundred yards apart: One on the Nevada side of the border, the other within Inyo County, making it eligible for entry in their book.

From Los Angeles Times Jun. 29, 2023

A photo caption that accompanied an image with the article misidentified a downy woodpecker as a hairy woodpecker, and a group of bright yellow finches or vireos was referred to only as “birds.”

From Washington Post Apr. 7, 2023

There were no insects singing, there were no catbirds, or orioles, or vireos, or robins.

From "My Side of the Mountain" by Jean Craighead George

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