Cliff Swallow has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Matt Schenck | Sachuest salt marsh | Middletown | Newport | 24-May-2017 |
| Wayne Munns | Francis Carter | Richmond | Washington | 20-May-2017 |
| Jan St.Jean | Napatree | Westerly | Washington | 18-May-2017 |
| Carlos Pedro | Trustom | South Kingstown | Washington | 13-May-2017 |
| Barbara Sherman | Trustom Pond NWR | South Kingstown | Washington | 13-May-2017 |