Black-throated Blue Warbler has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Jessica Bishop | Ponaganset Rd | Scituate | Providence | 18-May-2026 |
| Dick & Marge Bradley | Swan Point | Providence | Providence | 11-May-2026 |
| Sue Palmer | Ell Pond Rd | Hopkinton | Washington | 30-Apr-2026 |