Heermann's Gull

Heermann's Gull Larus heermanni

Range map: Breeding

Heermann's Gull, Range map: Breeding
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Heermann's Gull

Larus heermanni

Range: Breeding

This map depicts the range boundary, defined as the areas where the species is estimated to occur at a rate of 5% or more for at least one week within the breeding season.  Learn more

Occurrence
Breeding season
Season date range
Feb 22 - May 17 Learn more