SOG records for Eider, at Canvey Point, from 02 December 2021 until 06 December 2021, recorded by all observers. Records marked with '*' may be duplicates.
| Species | Site | Date | Count | Notes | Observers |
|---|---|---|---|---|---|
| Eider | Canvey Point | 02/12/2021 | 6 | same 2 imm. drakes still present, plus 4 imm. birds landed near West leigh middle buoy. | Terry Blackwell |
| *Eider | Canvey Point | 02/12/2021 | 2 | Graham Ryland | |
| Eider | Canvey Point | 03/12/2021 | 2 | Terry Blackwell | |
| Eider | Canvey Point | 05/12/2021 | 2 | same imm. drakes still present | Terry Blackwell, Jeff Delve |