SOG records for Great Northern Diver, at River Crouch, from 02 December 2018 until 06 December 2018, recorded by all observers. Records marked with '*' may be duplicates.
| Species | Site | Date | Count | Notes | Observers |
|---|---|---|---|---|---|
| Great Northern Diver | River Crouch | 02/12/2018 | 1 | juvenile at around the Old Fleet area where river bends to the north | Steve Arlow |