Gulls
species:
Great Black-backed Gull
scientific name:
Larus marinus
notes:
Orange ring with a black 4 alpha-numeric code (on left tarsus) [ letter, letter, number, T ] or [ letter, number, letter, T ] or [ number, letter, letter, T] and metal ring (on right tarsus) with as scheme site identifier is T (for Thames) (as last letter).
note 1 : unused codes are the letters E, I, O and Q and additionally, to avoid the remote possibility of any confusion with YLG in Spain, codes will not start with the letter B.
note 2 :
website sighting submit:
email sighting submit:
website information:
colour-ring type:
Legring : one, coded.
colour-ring colour (of the c-ring):
Orange [O]
colour-ring code (of the c-ring):
Four alpha-numeric code (4 letters/numbers).
colour-ring position (of the c-ring):
Tarsus left.
countries where ringed:
United Kingdom.
Last letter (of the c-ring):
T