Hooded Merganser x Smew Lophodytes cucullatus x Mergellus albellus

I believe this hybrid has occurred in the wild but these ones are captive. These birds (there were two the same on the first occasion, not sure if they're both here or not) didn't look exactly like other Hooded Merganser x Smew hybrids I've seen photographed before so thanks to Joern for confirming their identities. Interestingly, as time has progressed the bird seems to have changed in appearance slightly, becoming more like Hooded Merganser.

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captive male Hooded Merganser x Smew hybrid, Blakeney Collection (Norfolk, UK), 11th April 2009

 

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captive male Hooded Merganser x Smew hybrid, Blakeney Collection (Norfolk, UK), 26th April 2009

 

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captive male Hooded Merganser x Smew hybrid, Blakeney Collection (Norfolk, UK), 13th February 2010

 

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captive male Hooded Merganser x Smew hybrid, Blakeney Collection (Norfolk, UK), 4th December 2010

 

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captive male Hooded Merganser x Smew hybrid, Blakeney Collection (Norfolk, UK), 12th February 2011

 

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captive male Hooded Merganser x Smew hybrid, Blakeney Collection (Norfolk, UK), 15th October 2011

 

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captive male Hooded Merganser x Smew hybrid, Blakeney Collection (Norfolk, UK), 25th September 2012

 

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captive male Hooded Merganser x Smew hybrid, Blakeney Collection (Norfolk, UK), 1st December 2012

 

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captive male Hooded Merganser x Smew hybrid, Blakeney Collection (Norfolk, UK), 19th January 2013