Black-headed Gull
scientific name: 
Chroicocephalus ridibundus

Dark-blue ring with a one alpha-numeric code (on left leg) and one dark-blue ring with a one alpha-numeric code and metal ring (on right leg).

note 1: letters AA and CC to CP and EE to EF and GG to GL used.

note 2: birds are ringed in the nest during breeding season 2004 on Need Ore, Beaulieu Estate.

colour-ring type: 
Legrings : combination of coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
countries where ringed: 
United Kingdom.