Putative hybrid Med X Common

[Cristian Mihai]

http://www.birdforum.net/showthread.php?t=236652

[marsmuusse]

For more such assumed hybrids:

http://observations.be/soort/photos/87973
http://birdingfrontiers.com/2012/08/14/ ... ll-hybrid/

[adriaens]

Hey Mars,

the bird featured on Birding Frontiers is the same as the one on Birdforum.
The Belgian bird is most likely a Black-headed x Common Gull - nothing to do with Med Gull.