Gulls

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

Yellow ring with a black 3 alpha-numeric code, starting letters "S" or "T" or "U" or "V". 

note 1 : birds ringed since 2017.

note 2 : birds ringed on Lanzarote.

note 3 : used letters are A, C, F, H, J, L, M, N, P, R, T, U, V, W and X.

note 4 : used numbers are 0 - 9.

note 5 : 

website sighting submit: 
Aranzadi Portal for special marks in birds.
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): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Spain.