Gulls

species: 
Great Black-backed Gull
scientific name: 
Larus marinus
notes: 

Dark-blue ring with a white four alpha-numeric code : letter J and 3 numbers/letters.

note 1: birds are ringed in Norway.

note 2: used letters for the dark-blue rings are: A, C, G, E, H, J, K, L, M, N, P, R, S, T, U, V, X, Y, Z.

website sighting submit: 
Colour Ringing Norway
email sighting submit: 
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).
Images: 
First letter/number (of the c-ring): 
J