Western Sandpiper has been seen by:
| Birder | Location | Town | Date |
|---|---|---|---|
| Greg Sargeant | Charlestown Breachway | Charlestown | 25-Aug-2009 |
| Ryan Miller | Charlestown Breachway | Charlestown | 24-Aug-2009 |
| Jun Zhuang | Ninigret Pond tidal flats,Breachway | Charlestown | 22-Aug-2009 |
| Susan Marcus | Ninigret mudflats | Charlestown | 11-Aug-2009 |
| Tom Magarian | Block Island | 29-Jul-2009 | |
| Jan St.Jean | Charlestown Breachway | Chalrestown | 14-Jul-2009 |
| Paul L'Etoile | Ninigret Pond | Charlestown | 11-Jul-2009 |
| Phil Budlong | Ninigret Pond tidal flats (Charlestown Breachway) | Charlestown | 11-Jul-2009 |
| Carlos Pedro | Breachway | Charlestown | 11-Jul-2009 |