Gulls

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

White ring with a black four alpha-numeric code (starting code N0).

note 1 : used codes are N00A till N0WX.

email sighting submit: 
email sighting submit (2): 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Spain.
First letter/number (of the c-ring): 
N0