Black Oystercatcher
Haematopus bachmani

The black oystercatcher is a conspicuous black bird found on the shoreline of western North America, ranging from the Aleutian Islands of Alaska to the coast of the Baja California peninsula. Source
Where it is now
In the last 8 weeks this bird was recorded 172 times across 6 areas (each area is a 5 degree square).
See the Black Oystercatcher 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 | 6 July 2026 | 27 July 2026 | 20 July 2026 | 3 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.