Nelson's Sparrow has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Jan St.Jean | Succotash | South Kingstown | Washington | 11-Oct-2015 |
| Dylan Pedro | Succotash Marsh | South Kingstown | Washington | 10-Oct-2015 |
| Carlos Pedro | Succotash Marsh | South Kingstown | Washington | 10-Oct-2015 |
| Wayne Munns | Succotash salt marsh | South Kingstown | Washington | 10-Oct-2015 |
| Barbara Sherman | Succotash Marsh | South Kingstown | Washington | 10-Oct-2015 |