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Hybrid duck or eclipse? Switzerland today (1 Viewer)

Brosnabirder

Well-known member
Ireland
Hi everybody

Can somebody id this duck please? Seen today on a small lake in central Switzerland.
It's got oddly dark flanks and a strange head shape. Or is it just an eclipse bird?

Thanks in advance
Tom.
 

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Maybe you can use the attached; unfortunately it is in German.
 

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