Nelson's Sparrow has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Carlos Pedro | Succotash | South Kingstown | Washington | 09-Oct-2021 |
| Dick & Marge Bradley | Succotash marsh | South Kingstown | Washington | 09-Oct-2021 |
| Jess Bishop | Succotash Marsh | South Kingstown | Washington | 09-Oct-2021 |
| Jan St.Jean | Napatree | Westerly | Washington | 08-Oct-2021 |
| Sue Palmer | Galilee escape road north | South Kingstown | Washington | 05-Oct-2021 |