Lesser Black-backed Gull has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 18-Sep-2025 |
| Dick & Marge Bradley | Eastons pond | Newport | Newport | 04-Apr-2025 |
| Sue Palmer | Quonnie Breachway | Charlestown | Washington | 24-Mar-2025 |