Seaside Sparrow has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Sue Palmer | Ninigret mudflats | Charlestown | Washington | 06-Jun-2025 |
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 07-May-2025 |
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Sue Palmer | Ninigret mudflats | Charlestown | Washington | 06-Jun-2025 |
| Paul L'Etoile | Ninigret Pond | Charlestown | Washington | 07-May-2025 |