Gulls

species: 
Black-headed Gull
scientific name: 
Chroicocephalus ridibundus
notes: 

Dark-blue ring with a white four alpha-numeric code (starting number "2"). 

note 1 : several ringers participate(d) on the project : for details and direct contact information for the project leader.

website sighting submit: 
Waterbird Colourmarking
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
United Kingdom.
First letter/number (of the c-ring): 
2