Great Black-backed Gull has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Sue Palmer | Big Maschaug Pond | Westerly | Washington | 01-Jan-2025 |
| Dick & Marge Bradley | Blackstone Park | Providence | Providence | 01-Jan-2025 |
| Paul L'Etoile | Saunderstown | North Kingstown | Washington | 01-Jan-2025 |
| Jess Bishop | Misquamicut | Westerly | Washington | 01-Jan-2025 |