Red-eyed Vireo
Vireo olivaceus
Vireos, Shrike-Babblers, and Erpornis (Vireonidae) · Passeriformes (Passeriformes)
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Often mixed up with
In quizzes, players most often confuse Red-eyed Vireo with these birds— either this species was picked by mistake, or the other way around.
| Species | Mix-ups |
|---|---|
| Yellow-green Vireo Vireo flavoviridis | 5 |
| Eurasian Golden Oriole Oriolus oriolus | 5 |
| Philadelphia Vireo Vireo philadelphicus | 4 |
| Red-backed Shrike Lanius collurio | 4 |
| Turkestan Shrike Lanius phoenicuroides | 4 |
Family
The vireos make up a family, Vireonidae, of small to medium-sized passerine birds found in the New World (Canada to Argentina, including Bermuda and the West Indies) and Southeast Asia. The family contains 62 species and is divided into eight genera. "Vireo" is a Latin word referring to a green migratory bird, perhaps the female golden oriole, possibly the European greenfinch.
Order
A passerine () is any bird of the order Passeriformes (; from Latin passer 'sparrow' and formis '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their toes (three pointing forward and one back), which facilitates perching. With more than 140 families and some 6,500 identified species, Passeriformes is the largest order of birds and one of the most diverse clades of terrestrial vertebrates, representing 60% of …