Ring-billed Gull
Larus delawarensis
When to look
Records by month. January, 1,125,031 records. February, 893,437 records. March, 1,126,326 records. April, 1,189,135 records. May, 1,063,291 records. June, 466,353 records. July, 538,314 records. August, 790,321 records. September, 904,072 records. October, 971,067 records. November, 1,045,525 records. December, 1,000,461 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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