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Hybrid White-Fronted x Barnacle Goose? (Netherlands, Oct 17 2020) (1 Viewer)

Frank-birding

Frank van de Velde
Supporter
Hello,

Yesterday I saw these three Geese (meadows, Edam, North-Holland, near IJsselmeer / vicinity of Amsterdam). Obviously hybrids. They were in the midst of a great many Greater White-Fronted and Greylags.

Two birds were quite identical (white heads) and one had a more brownish head (with obvious white front). I think all three of them are Greater White-Fronted x Barnacle hybrids though. But am I correct?

Bye, Frank
 

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Joern Lehmhus

Well-known member
Yes , in my opinion you are correct. This is quite within the variation of this cross, and even siblings from the same brood can show this much variation ...

a hybrid that can look quite similar patternwise is Lesser whitefront x barnacle goose, but their bill generally looks stubbier.
 
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Joern Lehmhus

Well-known member
Dear Frank,
another point: You will probably know that any Anser x Branta hybrid can show white on the forehead, even if neither parent shows that. In Greylag x canada this is also very frequent, but those are bigger and structurally different...
 

Frank-birding

Frank van de Velde
Supporter
Hello Joern,

Actually, I didn't know that. Another piece of knowledge to add to my beginners' understanding of Geese observation.

Thank you again!
Frank
 
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