Black Kite

Dark-green ring with a white three alpha-numeric code, starting letter "P" followed by two numbers.

note 1 : project starts in 2024.

note 2 :

Yellow wingtag with black 2 alpha code.

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

note 2 : birds ringed since 2010.

note 3 :

Yellow wingtag with black 2 numeric code.

note 1 : used numbers are : 0 - 9.

note 2 : birds ringed since 2010.

note 3 :

Yellow wingtag with black 2 alpha-numeric code.

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

note 2 : used numbers are : 0 - 9.

note 3 : birds ringed since 2010.

note 4 :

White wingtag with a black four alpha-numeric code, start with the letters "BR" or "BA" (to denote "Aeropuerto Adolfo Suárez Madrid-Barajas") and two alpha-numeric digits.

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

note 2 : used numbers are 0 - 9.

note 3 : birds ringed since 2017.

note 4 : pvc on the leg too.

note 5 :

Dark-blue ring with a white two alpha-numeric code.

note 1 :

Red wingtag with a white 3 alpha-numeric  code (on both wings) and yellow ring with a black 3 alpha-numeric code (same code as in wingtag).

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 2018.

note 4 :

Black ring with a yellow three alpha-numeric code.

note 1 : used letters/numbers are:  A, C, F, H, J, L, M, N, P, R, T, U, V, W, X, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0.

note 2 : c-ring on left tarsus means birds ringed in Bohemia (West) and c-ring on right tarsus means birds ringed in Moravia ans Slovakia (East).

note 3 : project started in 2017 : codes where letter "A" is at the thrid position are now used. 

note 4 : project in Slovakia starts in 2018.
used codes are : letter "U" or "W" at the first position and letter "A" at the third position. 

note 5 :      

Yellow ring with a black two alpha-numeric code (on one leg) and metal ring (on other leg).

note 1 : used codes are : letter/number and number/letter.

note 2 :  

Dark-green ring with a white two alpha code (on one leg) and metal ring (on the other leg). 

note 1 :