Forster's Tern has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Dick & Marge Bradley | Quonnie | Charlestown | Washington | 04-Sep-2025 |
| Sue Palmer | Ninigret Mudlats | Charlestown | Washington | 05-Jul-2025 |
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 05-Jun-2025 |