This bird had been ringed as 2cy on 15.12.2009 and covered a distance of 1419 km. Interestingly, FN77822 was cought using fishing line on my flat windowsill in Szczecin.
This is my first recovery of Black-headed Gull (Chroicocephalus ridibundus) in Russia, hope not the last :)
How to catch a gull using finshing line
2cy, Black-headed Gull