Black Oystercatcher

Black Oystercatcher Haematopus bachmani

Abundance map: Post-breeding migration

Black Oystercatcher, Abundance map: Post-breeding migration
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Data provided by eBird

Black Oystercatcher

Haematopus bachmani

Abundance: Post-breeding migration

This map depicts the seasonally-averaged estimated relative abundance, defined as the expected count on an eBird Traveling Count starting at the optimal time of day with the optimal search duration and distance that maximizes detection of that species in a region, averaged across the post-breeding migration season.  Learn more

Relative abundance
Post-breeding migratory season
0.01
1.37
21.61
Season date range
Aug 10 - Oct 19 Learn more