Tree Swallow has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Paul L'Etoile | Saunderstown | North Kingstown | Washington | 06-Apr-2020 |
| Alex Patterson | Fry Pond Conservation Area | West Greenwich | Kent | 05-Apr-2020 |
| John Magill | Trustom Pond NWR | South Kingstown | Washington | 31-Mar-2020 |
| Dominick Pacelli | Trustom Pond | South Kingstown | Washington | 26-Mar-2020 |
| Don Heitzmann | Trustom Pond NWR | South Kingstown | Washington | 22-Mar-2020 |
| Greg Nemes | great swamp | Charlestown | Washington | 14-Mar-2020 |
| Jan St.Jean | Great Swamp | South Kingstown | Washington | 14-Mar-2020 |
| Dianne Auld | Trustom | South Kingstown | Washington | 14-Mar-2020 |
| Barbara Sherman | Great Swamp MA | South Kingstown | Washington | 14-Mar-2020 |
| Matt Schenck | Norman Bird Sanctuary | Middletown | Newport | 09-Mar-2020 |
| Dick & Marge Bradley | Pawtucket country club pond | Pawtucket | Providence | 08-Mar-2020 |
| Carlos Pedro | Ninigret | Charlestown | Washington | 01-Jan-2020 |
| Wayne Munns | Ninigrit NWR | Charlestown | Washington | 01-Jan-2020 |
| Sue Palmer | Ninigret NWR | Charlestown | Washington | 01-Jan-2020 |
| Jess Bishop | Ninigret NWR | Charlestown | Washington | 01-Jan-2020 |