Double-crested Cormorant

Double-crested Cormorant Phalacrocorax auritus

Abundance map: Pre-breeding migration

Double-crested Cormorant, Abundance map: Pre-breeding migration
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Data provided by eBird

Double-crested Cormorant

Phalacrocorax auritus

Abundance: Pre-breeding migration

This map depicts the estimated relative abundance, defined as the expected count on a one-hour, one kilometer eBird Traveling Count conducted at the ideal time of day for detection of that species in a region, averaged across the pre-breeding migration season.  Learn more

Relative abundance
birds per km/hr
Pre-breeding migratory season
0.21
2.33
3,144.11
Season date range
Feb 8 - May 24 Learn more