Moult pattern of primaries & secondaries in Eagle Owls (Bubo bubo)

[singlepic id=107 w=200 h=145 float=left]For those readers with a scientific interest if Eagle Owls, you may find the attached article from Norway of interets.  Raptor Politics looks forward to your comments. https://boap.uib.no/index.php/ornis/article/viewFile/123/82

Details supplied by Harald Misund, Norway

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