Nelson's Sparrow has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Barbara Sherman | Succotash Marsh | South Kingstown | Washington | 29-Oct-2016 |
| Carlos Pedro | Succotash Marsh | South Kingstown | Washington | 29-Oct-2016 |
| Jan St.Jean | Charlestown Breachway | Charlestown | Washington | 18-Oct-2016 |