Drake Scaup x Tufted Duck hybrid, Pagham Lagoon, March 2008 (David Cooper)

Characters shown by this individual including the peaked rear-crown, the principally green glossed head, the diffuse - very finely vermiculated - grey

upperparts and the extensive black tip to the bill are all consistent with this hybrid combination per the Collins Bird Guide.

Drake Scaup x Tufted Duck hybrid, Pagham Lagoon, March 2008 (David Cooper)