Gulls

species: 
Black-headed Gull
scientific name: 
Chroicocephalus ridibundus
EURING code: 
05900
notes: 

White ring with a black four alpha-numeric code : starting letter 'K' followed by letter 'A' and two numbers.

note 1 :  birds are ringed in the Omsk Region.

note 2 :

Images: 
email sighting submit: 
snailmail sighting submit: 
Sergej Soloviev,
colour-ring type: 
Legring : one, coded.
colour-ring colour: 
White [W]
colour-ring code: 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Russia.
First letter: 
KA