Tree Swallow has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 04-Apr-2025 |
| Dick & Marge Bradley | Allen's Harbor | East Greenwich | Kent | 22-Mar-2025 |
| Sue Palmer | Crandall Preserve | Westerly | Washington | 08-Mar-2025 |