Lesser Kestrel

Dark blue ring with a white three alpha code and with or without a bar "|" after the first alpha code.

note 1 : used letters are: A, B, C, E, F, H, J, K, L, M, N, P, R, S, T, U, V, W, Y, X and Z.

note 2 : birds ringed since 2026.

note 3: eg A|AA.

note 4 : 

Dark blue ring with a white three numeric code and a bar "|" after the first numeric code.

note 1 : used numbers are 0 - 9.

note 2 : birds ringed since 2026

note 3 : eg 1|23.

note 4 : 
 

Dark blue ring with a white three alpha-numeric code and with or without a bar "|" after the first alpha-numeric code.

note 1 : used letters are: A, B, C, E, F, H, J, K, L, M, N, P, R, S, T, U, V, W, Y, X and Z.

note 2 : used numbers are 0 - 9.

note 3 :  birds ringed since 2026.

note 4: eg A|12
 

Silver/grey ring with a black three alpha-numeric code (on left tarsus) and metal ring (on right tarsus).

note 1 : used code is : AAA ... ZZZ.

note 2 :

Orange ring with a white three alpha-numeric code : letter/number/number.

note 1 : the colour of the code is very important as in Italy runs a project with a black code. 

note 2 : used codes are : B00-B99, C00-C99 and D00-D99.

note 3 :

Purple ring with a white two numeric code (on left tarsus) and metal ring (on right leg).

note 1 : used numbers are : 0 - 9.

note 2 : birds ringed since 2023.

note 3: birds ringed in the Navarra region.

note 4 :

Purple ring with a white two alpha-numeric code (on left tarsus) and metal ring (on right tarsus).

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 2023.

note 4 : birds ringed in the Navarra region.

White ring with a black two numeric code.

note 1 : rings codes 02, 03, 05, 06 and 07.

note 2 : birds ringed in 2010.

note 3 :

Orange ring with a black three alpha-numeric code : letter/number/number.

note 1 : used codes are : A00-A99, B00-B99, C00-C99, D00-D99, F00-F99, H00-H99,  J00-J99, K00-K99, L00-L99, N00-N99, P00-P99, S00-S99, T00-T99, V00-V99, Z00-Z99.

note 2 :

Blue ring with a white two alpha code.

note 1 : used codes are : AA-AZ, BA-BZ, CA-CZ, DA-DZ, FA-FZ, HA-HZ, JA-JZ, KA-KZ, LA-LZ , NA-NZ, PA-PZ, SA-SZ, TA-TZ, VA-VZ, WA-WZ, ZA-ZV,

note 2 :