Gulls

species: 
Yellow-legged Gull
scientific name: 
Larus michahellis
notes: 

White ring with a black four alpha-numeric code : starting letter 'N' followed by a colon (:)

note 1 : used letters are A, C, F, H, J, L, M, N, P, R, T, U, V, W and X.

note 2 : used numbers are 0 - 9.

note 3 : birds ringed since 2012.

note 4 : codes of spanish project are maneged by EBD.

note 5 : 

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
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): 
N