Royal Tern has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Sue Palmer | Ninigret mudflats | Charlestown | Washington | 12-Jul-2020 |
| Jan St.Jean | Napatree | Westerly | Washington | 06-Jul-2020 |
| Carlos Pedro | Napatree | Westerly | Washington | 05-Jul-2020 |
| Jess Bishop | Napatree | Westerly | Washington | 05-Jul-2020 |
| Greg Nemes | Charlestown Breachway | Charlestown | Washington | 20-Jun-2020 |