fredag 14. februar 2014

Presumed hybrid Herring Gull X Great Black-backed Gull, Gismerøya, Mandal, April 2010 and April 2012. This bird was colour-ringed by Morten Helberg and Klaus M. Torland at Brennevinsmyra, Mandal on 26.05.2011.


April 2010

April 2010

April 2010

April 2010

April 2010

April 2010

April 2012

April 2012

April 2012

April 2012

April 2012

April 2012

April 2012

April 2012

April 2012

April 2012

April 2012

April 2012

April 2012

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