Gulls

species: 
Mediterranean Gull
scientific name: 
Ichthyaetus melanocephalus
notes: 

Dark-blue ring with a four alpha-numeric code : starting number '5' followed by a letter / number / number.

note 1 : used letters are A, B, C, D, E, G, H, I, K, L, M, N, P, S, T, V.

note 2 : not used letters are F and R, J, O, Q, U and W..

note 3 : soon the used codes with the ringing area will be released here : 

email sighting submit: 
website information: 
Oficina de Anillamiento
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
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): 
5