Warbling Vireo
Vireo gilvus
The warbling vireo is a small North American songbird. Source
Where it is now
In the last 8 weeks this bird was recorded 28,713 times across 43 areas (each area is a 5 degree square).
See the Warbling Vireo on the live map
Movement and weather
Each season it is first heard regularly where daytime highs are around 18°C (typically 15 to 24°C, from 47 areas).
Arrival dates
The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| North America | 23 March 2026 | 10 August 2026 | 1 June 2026 | 47 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.