Yellow ring with a black three alpha-numeric code (on right tarsus) and metal ring (on left tarsus).
note 1 : used code : number/number/letter.
note 2 : used codes are : 11A, 11B, 11C ~~ 11Z, 12A ~~ 12Z, 99A ~~ 99Z
excluded letters : I, O, Q, L and excluded number : 0.
note 3 : project starts in 2024.
note 4 :