Williamson's Sapsucker
Sphyrapicus thyroideus
Williamson's sapsucker is a medium-sized woodpecker belonging to the genus Sphyrapicus (sapsuckers). Source
Where it is now
In the last 8 weeks this bird was recorded 89 times across 7 areas (each area is a 5 degree square).
See the Williamson's Sapsucker 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 |
|---|---|---|---|---|
| North America | 13 April 2026 | 13 April 2026 | 20 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.