European Herring Gull
Larus argentatus
When to look
Records by month. January, 474,704 records. February, 438,105 records. March, 536,403 records. April, 554,311 records. May, 551,698 records. June, 536,879 records. July, 527,586 records. August, 569,561 records. September, 528,870 records. October, 525,587 records. November, 405,225 records. December, 345,062 records.
Occurrence data from GBIF (incl. the eBird Observation Dataset, © Cornell Lab of Ornithology, CC BY 4.0). Descriptive, not predictive.
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