European Herring Gull
Larus argentatus
When to look
Records by month. January, 481,857 records. February, 443,323 records. March, 544,918 records. April, 562,244 records. May, 560,526 records. June, 544,901 records. July, 535,377 records. August, 578,468 records. September, 536,921 records. October, 530,971 records. November, 415,793 records. December, 350,224 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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