Forster's Tern has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Dick & Marge Bradley | Ninigret mudflats | Charlestown | Washington | 28-Jul-2023 |
| Jess Bishop | Quonnie | Charlestown | Washington | 21-Jul-2023 |
| Sue Palmer | Quonnie Breachway | Charlestown | Washington | 26-Jun-2023 |