Great Black-backed Gull
scientific name: 
Larus marinus
EURING code: 

Dark-green ring with a white (vertical) three alpha-numeric code (1 letter and 2 numbers).

note 1 : used codes from A00 to K99 and from L00 to Z99. 

note 3 : c-ring is on right leg and CRBPO/metal ring on the left leg.

note 4 : used codes are : A00, A01,... B00, B01,...

note 5 : from A00 to K99, birds were ringed in the islands of Chausey/Granville, Normandy, Manche, France ; from L00, birds will be ringed in Low Normandy, France.

note 6 : 

email sighting submit: 
snailmail sighting submit: 
Fabrice Gallien - Groupe Ornithologique Normand, 181 Rue d'Auge, FR-14000 Caen, France.
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Green [G]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus right.
countries where ringed: