Great Black-backed Gull has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Dick & Marge Bradley | Colt state park | Bristol | Bristol | 10-Jan-2024 |
| Dominick Pacelli | Ninigret | Charlestown | Washington | 06-Jan-2024 |
| Charles Avenengo | Easton's Pond | Newport | Newport | 04-Jan-2024 |
| Sue Palmer | Moonstone Beach | South Kingstown | Washington | 02-Jan-2024 |
| Paul L'Etoile | Scarborough Beach | Narragansett | Washington | 01-Jan-2024 |
| Jess Bishop | Wesquage Pond | Narragansett | Washington | 01-Jan-2024 |