Caspian Tern has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Dick & Marge Bradley | Breachway mud flats | Charlestown | Washington | 03-Oct-2018 |
| DAVID WALLIS | Charleston Sandbars | Charlestown | Washington | 29-Sep-2018 |
| Barbara Sherman | Ninigret Pond Mud Flats | Charlestown | Washington | 29-Sep-2018 |
| Wayne Munns | Ninigrit mud flats | Charlestown | Washington | 29-Sep-2018 |
| Dominick Pacelli | Mudflats | Charlestown | Washington | 31-Aug-2018 |
| Kari McDonald | Napatree point | Westerly | Washington | 08-Jun-2018 |
| Carlos Pedro | Trustom | South Kingstown | Washington | 09-May-2018 |
| Don Heitzmann | Trustom Pond NWR | South Kingstown | Washington | 07-May-2018 |
| Jan St.Jean | Trustom Pond / moonstone beach | South Kingstown | Washington | 07-May-2018 |
| Dianne Auld | Trustom | South Kingstown | Washington | 03-May-2018 |
| Matt Schenck | Norman Bird Sanctuary | Middletown | Newport | 01-May-2018 |
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 28-Apr-2018 |