Gulls
species:
Great Black-backed Gull
scientific name:
Larus marinus
notes:
Yellow ring with a black four alpha-numeric code :
letter / number / number / ":" (colon) / letter "W".
note 1 : used codes are :
email sighting submit:
colour-ring type:
Legring : one, coded.
colour-ring colour (of the c-ring):
Yellow [Y]
colour-ring code (of the c-ring):
Four alpha-numeric code (4 letters/numbers).
countries where ringed:
United Kingdom.
Last letter (of the c-ring):
:W