Gulls

species: 
Lesser Black-backed Gull
scientific name: 
Larus fuscus
notes: 

White ring with a black four alpha code, starting letter 'N' followed by a colon ":"

note 1 :

email sighting submit: 
email sighting submit (2): 
email sighting submit (3): 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Four alpha code (4 letters).
countries where ringed: 
Spain
First letter/number (of the c-ring): 
N: