Light-green / lime ring with a black one alpha code (on left leg). note 1 : used letters are : female : B, C, D, E and male : A, B, C, D, E.
note 2 : birds ringed at the Parc naturel régional des Ballons des Vosges.
note 3 : birds are captured in Norway.
note 4 :
White ring with a black one alpha code (on left leg) and metal ring (on right leg).
note 1 : birds ringed in 2024.
note 2 :
White ring with a black two alpha-numeric code (on left leg) and metal ring (on right leg).
note 1 : used letters are A, C, F, H, J, L, M, N, P, R, T, U, V, W and X.
note 2 : used numbers are 0 - 9.
note 3 : birds ringed since 2016.
White ring with a black two numeric code (on left leg) and metal ring (on right leg).
note 1 : used numbers are 0 - 9.
note 2 : birds ringed since 2016.
note 3 :
White ring with a black two alpha code (on left leg) and metal ring (on right leg).
Yellow ring with a black three alpha-numeric code (2 letters and 1 number).
note 1 :