Black Oystercatcher

Haematopus bachmani

Black Oystercatcher (Haematopus bachmani)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

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.

RegionFirst arrivalLast arrivalTypical peakAreas
North America6 July 202627 July 202620 July 20263

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.