Lesser Black-backed Gull
scientific name: 
Larus fuscus
EURING code: 

White ring with a black two alpha code.
White ring with a blue two alpha code.
White ring with a red two alpha code.
White ring with a green two alpha code.

note 1 : used codes are with a ":" or a "+" or a "=" between the two letters.

note 2 :

email sighting submit: 
snailmail sighting submit: 
Peter Rock, 7 Parkside Avenue, Winterbourne, Bristol BS36 1LU , United Kingdom.
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Two alpha code (2 letters).
colour-ring position (of the c-ring): 
Tarsus right.
countries where ringed: 
United Kingdom.