Royal Tern has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Matt Schenck | Brenton Point | Newport | Newport | 14-Jul-2017 |
| Barbara Sherman | Charlestown Breachway | Charlestown | Washington | 08-Jul-2017 |
| Wayne Munns | Charlestown flats | Charlestown | Washington | 08-Jul-2017 |