Gulls
species:
Great Black-backed Gull
scientific name:
Larus marinus
notes:
Black ring with a white four alpha-numeric code, starting letter "X".
note 1 :
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:
Germany.
First letter/number (of the c-ring):
X
