Blackburnian Warbler has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Matt Schenck | Tillinghast Pond Management Area | West Greenwich | Kent | 31-May-2020 |
| John Magill | Swan Pt Cemetery | Providence | Providence | 18-May-2020 |
| Paul L'Etoile | Saunderstown | North Kingstown | Washington | 18-May-2020 |
| Dick & Marge Bradley | Swan Point | Providence | Providence | 18-May-2020 |
| Dianne Auld | Miantonomi | Newport | Newport | 17-May-2020 |
| Carlos Pedro | Mintonomi | Newport | Newport | 16-May-2020 |
| Dominick Pacelli | Swan Point | Providence | Providence | 16-May-2020 |
| Don Heitzmann | Miantonomi | Newport | Newport | 16-May-2020 |
| Barbara Sherman | Miantonomi Park | Newport | Newport | 16-May-2020 |
| Alex Patterson | Arcadia - Roaring Brook | West Greenwich | Kent | 16-May-2020 |
| Greg Nemes | Miantinomi | Newport | Newport | 16-May-2020 |
| Wayne Munns | Mia | Newport | Newport | 16-May-2020 |
| Jess Bishop | Mia | Newport | Newport | 16-May-2020 |
| Sue Palmer | Riverside Cemetery | Providence | Providence | 09-May-2020 |
| Jan St.Jean | Riverside cemetery | Providence | Providence | 09-May-2020 |