Gulls

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

White ring with a red six alpha-numeric code (Z, A or M and 4 alpha-numerics).

note 1 : used codes are ZA+4 digits for the Sisargas Islands (Malpica, A Coruña, Central Galica) and ZM+4 digits for the Sálvora Island (Ria de Arousa, South Galicia).

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Six alpha-numeric code (6 letters/numbers)
countries where ringed: 
Spain.
First letter/number (of the c-ring): 
Z