Black Rail has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Wayne Munns | unspecified | Westerly | Washington | 30-May-2015 |
| John Magill | Westerly | Washington | 30-May-2015 | |
| Dylan Pedro | Westerly | Washington | 30-May-2015 | |
| Barbara Sherman | Westerly | Washington | 30-May-2015 | |
| Jan St.Jean | Westerly | Washington | 29-May-2015 | |
| Carlos Pedro | Westerly | Washington | 29-May-2015 |