Red-eyed Vireo
Vireo olivaceus
One individual was recorded singing over 22,000 songs in a single day, continuing even during the hottest parts of the afternoon.
- Scientific name
- Vireo olivaceus
- Taxonomy
- Animalia › Chordata › Aves › Passeriformes › Vireonidae › Vireo
- IUCN Red List status
- Least Concern
- Population trend
- stable
- Biome
- forest
- Habitat
- Deciduous and mixed-leaf forests, often high in the canopy.
- Diet
- Primarily caterpillars and other insects during breeding; berries and small fruits during migration and winter.
- Range
- North America, Central America, South America
- Size
- Length: 12-13 cm; Weight: 12-26 g.
- Lifespan
- Approximately 10 years in the wild.
- Active
- diurnal
- Threats
- Habitat fragmentation, collision with glass windows, and nest parasitism by Brown-headed Cowbirds.
- Safe to approach?
- Harmless. Observe with binoculars from a distance to avoid disrupting nesting. If a bird strikes a window, place it in a dark, ventilated box for an hour to recover; contact a wildlife rehabilitator if it cannot fly.
The red-eyed vireo ( Vireo olivaceus ) is a small American songbird, 13–14 cm (5.1–5.5 in) in length. It is somewhat warbler-like but not closely related to the New World warblers (Parulidae). Common across its vast range, this species is not considered threatened by the IUCN.
Photo: U.S. Fish and Wildlife Service Northeast Region, no known copyright restrictions (public domain), PD, via iNaturalist
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