Latest Gulling on 2011 - an odd one!


I was focusing in the flock when a strange bird passed by:

A pic to show a typical primary pattern on YLG:

Several YLGs:



An immature Caspian with a very hooked bill:

Same bird from the other side:


And then the odd one appeared!

I think is a partly leucistic Heuglin's Gull:

Details shows a subadult: