Heermann's Gull

Heermann's Gull Larus heermanni

Abundance map

Heermann's Gull, Abundance map
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Data provided by eBird

Heermann's Gull

Larus heermanni

Abundance

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.  Learn more

Relative abundance
Year-round
0
8.36
332.97
Breeding season
Feb 22 - May 17
0
8.36
332.97
Non-breeding season
Jul 20 - Nov 2
0
8.36
332.97
Pre-breeding migratory season
Nov 9 - Feb 15
0
8.36
332.97
Post-breeding migratory season
May 24 - Jul 13
0
8.36
332.97
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
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