Common Raven

Yellow ring with a black three alpha-numeric code (on left tarsus) 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 2014.

note 3 : 
 

Yellow ring with a black three alpha code (on left tarsus) 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 : birds ringed since 2014.

note 3 : 
 

Yellow ring with a black three numeric code (on left tarsus) and metal ring (on right leg).

note 1 : used letters are: 0 - 9

note 2 : birds ringed since 2014.

note 3 : 
 

White ring with a black three alpha code (on left tarsus) 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 1992.

note 4 : 
 

White ring with a black three alpha code (on left tarsus) 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 : birds ringed since 1992.

note 3 : proejct finished.

note 4 : 
 

White ring with a black three numeric code (on left tarsus) and metal ring (on right leg).

note 1 : used letters are: 0 - 9

note 2 : birds ringed since 1992.

note 3 : project is finished.

note 4 : 

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

note 1 : birds ringed in the UK, country Surrey.

Blue ring with white 2 alpha-numeric code (AA, A1, ...) (on left leg) and metal ring (on right leg). 

note 1 : bird ringed in County Mayo & Galway, Ireland.
 

Yellow ring with a black 2 alpha-code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in Wicklow County, Ireland.    

note 2 :