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Common Eider Somateria mollissima x Mallard Anas platyrhynchos hybrid


This is an unusual hybrid but it has been recorded a few times. At this location the Eider flock are unusually tame, often coming to shore to feed on bread with Mallards.

Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid Common Eider x Mallard hybrid
Common Eider x Mallard hybrid, Seahouses (Northumberland, UK), 5th February 2023


Common Eider x Mallard hybrid Common Eider x Mallard hybrid
Common Eider x Mallard hybrid, Seahouses (Northumberland, UK), 9th February 2024


For comparison, here are photos of the parent species.

Common Eider Mallard
Common Eider and Mallard, both Seahouses (Northumberland, UK), 5th February 2023