Gulls

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

Black ring with a white five alpha-numeric code : letter J and 4 numbers/letters .

note 1 : birds are ringed in South-Norway.

website sighting submit: 
Colour Ringing Norway
email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Black (Niger) [N]
colour-ring code (of the c-ring): 
Five alpha-numeric code (5 letters/numbers).
countries where ringed: 
Norway.
Images: 
First letter/number (of the c-ring): 
J