Heermann's Gull

Heermann's Gull Larus heermanni

Range map: Non-breeding

Heermann's Gull, Range map: Non-breeding
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Heermann's Gull

Larus heermanni

Range: Non-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 non-breeding season.  Learn more

Non-breeding season
Season date range
Jul 20 - Nov 2 Learn more