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Ruddy Duck X White headed Duck hybrid (Morocco), ID confirmation

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Old Sunday 20th January 2013, 21:56   #1
Acrocephalus
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Ruddy Duck X White headed Duck hybrid (Morocco), ID confirmation

Confirmation or correction please.
Photo and information here:

http://moroccanbirds.blogspot.com/20...la-hybrid.html
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Old Monday 21st January 2013, 04:57   #2
Valéry Schollaert
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Hi Mohammed,

About "conservation concerns" regarding introduced Ruddy Duck and others, you might be interested by this paper (in French).
http://www.valeryschollaert.com/inde...872&Itemid=346

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Old Monday 21st January 2013, 10:19   #3
Steve Lister
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Looks like a hybrid to me, but the black on the crown is not wrong for White-headed Duck. The body colour and white undertail coverts do indicate Ruddy Duck.

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Old Monday 21st January 2013, 20:11   #4
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I think it is a hybrid.

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Old Thursday 24th January 2013, 16:59   #5
Acrocephalus
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White headed Duck with characteristics not shown in bird guides

Thanks all for trying. I think this is an interesting bird, despite all the characteristics I have numbered to show it’s an hybrid, this is fortunately an adult male White-headed Duck according to Carlos Gutiérrez Expósito and others who have commented on the bird.

On the other hand, I think that bird guides doesn't show (neither in texts nor in illustrations) that some White-headed Ducks have pale undertail coverts as shown in this bird.
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