Yellow ring with a black three alpha code, starting letter "C".
note 1 :
Dark-blue ring with a white three alpha-numeric code.
note 1 : used codes are starting A00 ... Z99.
note 2 :
Yellow ring with a black four alpha-numeric code, starting letter "R followed by three numbers.
note 1 : used codes are : R000-R999.
White ring with a black two numeric code (on right leg) and metal ring (on left leg).
White ring with a black 4 alpha-numeric code, starting letter "X" followed by three numbers (on tibia).
note 1 : birds could be caught also during winter 2020-2021.
Dark-green ring with a white three alpha code (on left tibia) and metal ring (on right tibia).
note 1 : used numbers are : used letters are : A, C, F, H, K, L, N, P, R, S, T, V, X, Z.
Red ring with a white 4 alpha-numeric code, starting letter "A".
note 1 : A-number-number-number ; A-letter-number-number ; A-letter-letter-number ; A-number-letter-number ; A-number-letter-letter.
Red ring with a white 4 alpha code, starting letter "A".
White ring with a black 4 alpha-numeric code: first letter always "P" (on left tibia) and metal ring (on right leg).
note 1 : letter "P" followed by letter or number.
White ring with a black three alpha code and a bar after the first alpha code.
note 1 : used letters are A, C, F, H, J, L, M, N, P, R, T, U, V, W and X.
note 2 : birds ringed since 2017.
note 3 : PVC ring on left tibia.
note 4 : eg. A|CF