Is this a dumped domestic duck?

[Amfh]

When out walking today, I saw this all-white female duck in the river. For the duration of the time I could see her, she stuck with the same mallard drake. She seems slightly smaller than him, the smallest duck in the river (only saw one other female, all the other drakes are the same size), and has black spots on her beak - barely visible in the first photo. This is the river Aire, just upstream of the Bradford Amateur Rowing Club, in Shipley, West Yorkshire, England.
Does anyone know what the best course of action would be in this situation? I'm aware dumping domestic ducks is illegal, and that there are no all-white ones in the wild, but not sure which course of action would be best for her, or even what breed she is - as I saidshe's not large. I do not have ducks myself, so cannot simply rescue her and take all the steps to add her to a flock.

 

[ruthhope]

When out walking today, I saw this all-white female duck in the river. For the duration of the time I could see her, she stuck with the same mallard drake. She seems slightly smaller than him, the smallest duck in the river (only saw one other female, all the other drakes are the same size), and has black spots on her beak - barely visible in the first photo. This is the river Aire, just upstream of the Bradford Amateur Rowing Club, in Shipley, West Yorkshire, England.
Does anyone know what the best course of action would be in this situation? I'm aware dumping domestic ducks is illegal, and that there are no all-white ones in the wild, but not sure which course of action would be best for her, or even what breed she is - as I saidshe's not large. I do not have ducks myself, so cannot simply rescue her and take all the steps to add her to a flock.
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Its my guess she is a white mallard. The factor that masks a ducks real color and causes them to appear white [its not albinism by the way] occurs in the wild. Selective breeding initially from wild white ducks, after all, is how from thousands of years ago the Chinese were able to develop our current white ducks.
My reason for thinking a white mallard is her size and that she is sticking with the Mallard drake. A domestic Aylesbury would be larger