Gulls

species: 
Yellow-legged Gull
scientific name: 
Larus michahellis
notes: 

Dark-green ring with a white four alpha-numeric code (last letter :C) 
number , number , number, ":" , letter "C"
OR
letter, number, number, ":" letter "C"
OR
number, letter, number, ":" letter "C"
OR
number, number, letter ":" letter "C".

note 1 : used codes are :

From (2018 - 2021) onwards : 001:C, 002:C ~~ 999:C

From (2021 – 2024) onwards : 00A:C, 00B:C ~~ 99Z:C

From (2024 – XXXX) onwards : 0A0:C ~~ 9Z9:C

note 2 : the letter C is the scheme-identifier (C=Camargue) and must be separated from the numeric part of the code by a colon ":".

note 3 : letters and numbers used are : A, B, C, D, F, H, J, L, N, P, S, T, V, X, Z ; 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

note 4 : c-ring on tarsus left or tarsus right.

note 5 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Green [G]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
France.
Last letter (of the c-ring): 
:C