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Double-crested Cormorant

Double-crested Cormorant Phalacrocorax auritus

Abundance map

Double-crested Cormorant, Abundance map
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Data provided by eBird

Double-crested Cormorant

Phalacrocorax auritus

Abundance

This map depicts the seasonally-averaged 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.  Learn more

Relative abundance
birds per km/hr
Year-round
0.21
2.33
3,144.11
Breeding season
May 31 - Jul 13
0.21
2.33
3,144.11
Non-breeding season
Dec 7 - Feb 1
0.21
2.33
3,144.11
Pre-breeding migratory season
Feb 8 - May 24
0.21
2.33
3,144.11
Post-breeding migratory season
Jul 20 - Nov 30
0.21
2.33
3,144.11
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
Learn more