Lesser Black-backed Gull has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 09-Sep-2023 |
| Dick & Marge Bradley | offshore | Pelagic | Offshore | 01-Jun-2023 |
| Sue Palmer | Charlestown Breachway | Charlestown | Washington | 05-Mar-2023 |
| Jess Bishop | Bay Campus | Narragansett | Washington | 26-Feb-2023 |
| Paul Miller | Deep Hole | South Kingstown | Washington | 11-Feb-2023 |