Barn Owl

Dark-green ring with a white two alpha code (on right leg).

note 1 : project runs on behalf of the Ilia State University and Zura Javakhishvili (representative of the Georgian Ringing Scheme).

note 2 :

Dark-blue ring with a white two 2alpha code (on left leg) and BTO-metal-ring (on right leg).

note 1 : birds ringed in northern England.

note 2 :

Black ring with a white two alpha code (on one leg) and metal ring (on other leg).

note 1 : 

Dark-blue ring with a white two alpha-numeric code (on left leg) and BTO-metal (on right leg).

note 1 : birds ringed in northern England.

note 2 :

Red ring with a white three alpha code (on left leg) and BTO-metal (on right leg).

note 1 : birds ringed in East Sussex and West Sussex.

note 2 : 

White ring with a black three alpha-numeric code, starting letter "X" followed by two numbers.

note 1 :  

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

note 1 : used numbers are : 0 - 9.

note 2 : birds ringed since 2023.

note 3 : generally, PVC ring on left tarsus.

note 4 :

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

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 2023.

note 3 : generally, PVC ring on left tarsus.

note 4 :

Yellow ring with a black two alpha-numeric code and metal ring (on other 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 2023.

note 4 : generally, PVC ring on left tarsus.

note 5 :

Yellow ring with a black three alpha-numeric code.

note 1 :