Least Flycatcher has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Paul L'Etoile | Trustom Pond NWR | South Kingstown | Washington | 27-Sep-2015 |
| Mark Pagliarini | NBS | Middletown | Newport | 31-May-2015 |
| Janaehesser | Miantonomi Park | Newport | Newport | 17-May-2015 |
| Alex Patterson | Swan Point | Providence | Providence | 17-May-2015 |
| Wayne Munns | Pine Top, Arcadia MA | West Greenwich | Kent | 09-May-2015 |
| Dylan Pedro | Buck Hill WMA | Burrillville | Providence | 04-May-2015 |
| Matt Schenck | Arcadia Management Area--Pine Top | West Greenwich | Kent | 04-May-2015 |
| Jan St.Jean | Pine Top | West Greenwich | Kent | 03-May-2015 |
| Cathy Gim | Pine top | West Greenwich | Kent | 03-May-2015 |
| Dan Berard | Providence | Providence | 03-May-2015 | |
| Carlos Pedro | Pine Top | West Greenwich | Kent | 25-Apr-2015 |
| John Magill | Pine Top, Arcadia | West Greenwich | Kent | 25-Apr-2015 |
| DAVID WALLIS | Arcadia | Exeter | Washington | 25-Apr-2015 |
| Barbara Sherman | Pinetop | West Greenwich | Kent | 25-Apr-2015 |