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Duck ID pls?

Duck ID pls?

Nam Sang Wai
22-11-2007
Swarovski ATS 80HD + Fuji Finepix S5 Pro

I have tried to compare this duck with other photos but are confused about the white breast:
Do you know the name of this duck?

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looking at the bill shape, it is a Northern Shoveler. It is a first winter bird??
As The Crow Flies- a Hong Kong Birding Blog
http://www.matthewkwanbirding.blogspot.hk

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Duck ID?

Thanks
That's what I thought - most of these ducks around there.
But the white breast (maybe overexposed) confused me.

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Indeed the white is blown!  
KK Hui FRPS
Personal Website

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I think this is a male Shoveler coming out of 'eclipse' plumage, which is the female-like plumage male ducks take when moulting their feathers at the end of summer. Apparently Shovelers can retain this plumage into winter - see the attached note on eclipse plumage from the US Wildlife Service

"Nearly all drakes lose their bright plumage after mating, and for a few weeks resemble females. This hen-like appearance is called the eclipse plumage. The return to breeding coloration varies in species and individuals of each species. Blue-winged teal and shovelers may retain the eclipse plumage until well into the winter"

This is why it appears half-way between a male and a female.

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