Lesser Black-backed Gull
scientific name: 
Larus fuscus

White ring with red 3 alpha-numeric code : number/letter/F.

note 1 : birds ringed at Flat Holm Island, Cardiff.

note 2 : about 200 birds ringed in 1998 and 2011.

note 3 : if middle letter  = A, B, C, D, E, H, J, K, L or M then birds ringed in 1998.

note 4 : if middle letter = N, P, S, T, U, V, W, X, Y or Z then birds ringed in 2011.

note 5 : number = 0 - 9.

note 6 : example codes are:  2AF, 6EF, 9MF, 2XF, 5ZF.

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): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
United Kingdom.
Last letter (of the c-ring):