Gulls
species:
Caspian Gull
scientific name:
Larus cachinnans
notes:
Orange ring with a black 4 alpha-numeric code (on left tarsus).
note 1 : used codes is :
letter, letter, number, letter "T"
OR
letter, number, letter, letter "T"
and metal ring (on right tarsus) with as scheme site identifier is T (for Thames) (as last letter).
note 2 :
email sighting submit:
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.
Last letter (of the c-ring):
T
