Gray-crowned Warbler
Phylloscopus tephrocephalus

The grey-crowned warbler is a species of Old World warbler in the family Phylloscopidae. It is found in Bangladesh, China, India, Laos, Myanmar, Thailand and Vietnam. Its natural habitats are temperate forests, subtropical or tropical moist lowland forest, and subtropical or tropical moist montane forest. Source
Where it is now
In the last 8 weeks this bird was recorded 37 times across 2 areas (each area is a 5 degree square).
See the Gray-crowned Warbler on the live map
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 |
|---|---|---|---|---|
| Asia | 27 April 2026 | 27 April 2026 | 27 April 2026 | 1 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.