Gulls

species: 
Herring Gull
scientific name: 
Larus argentatus
notes: 

Black ring with a white five alpha-numeric code (letter J and 3 numbers and/or letters).

note 1 : birds are ringed in South-Norway.
 

website sighting submit: 
https://www.ringmerking.no/cr
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.
First letter/number (of the c-ring): 
J