King Eider has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Jess Bishop | Brenton Point | Newport | Newport | 29-Dec-2021 |
| Dick & Marge Bradley | Quonnie | Charlestown | Washington | 21-Jan-2021 |
| John Magill | Quonochontaug Boat Ramp | Charlestown | Washington | 19-Jan-2021 |
| Don Heitzmann | Rocky Point Park | Warwick | Kent | 14-Jan-2021 |
| Jan St.Jean | Rocky point | Warwick | Kent | 14-Jan-2021 |
| Carlos Pedro | Quonny | Charlestown | Washington | 11-Jan-2021 |
| Sue Palmer | Quonnie Breachway | Charlestown | Washington | 11-Jan-2021 |
| Wayne Munns | Narra Bay Winter Waterfowl Survey (Jamestown) | Jamestown | Newport | 05-Jan-2021 |