Gulls

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

Pale-blue ring with a black four alpha-numeric code : letter 'J' followed by 3 letters/numbers.

note 1 : birds are ringed in South-Norway.

note 2 : used codes for the pale-blue rings are: JA00-99, JB00-99, JC00-99, JD00-99, JL01-50, JR00-99.

website sighting submit: 
Colour Ringing Norway
email sighting submit: 
email sighting submit (2): 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Pale Blue [P]
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