Gulls

species: 
Ring-billed Gull
scientific name: 
Larus delawarensis
notes: 

White ring with a black 4 alpha-numeric code : starting letter 'J' and three letters/numbers.

note 1 : all birds are ringed in 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): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Norway.
First letter/number (of the c-ring): 
J