Montagu's Harrier

Light-green with a black three alpha-numeric code (on right leg) -starting letter "A" and metal ring (on left leg).

note 1 :

Orange ring with a black three alpha-numeric code (one one leg) and metal ring (on othr leg).

note 1 : used codes are : 00A-99A, 00C-99C, 00E-99E, 00H-99H, 00J-99J, 00L-99L, 00N-99N, 00P-99P, 00S-99S, 00V-99V.

note 2 :

Combination of :
* white ring with a black three alpha-numeric code (on left tarsus)
* c-ring 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 : used colours in the c-ring are (depending the province) :  yellow Cádiz), red (Córdoba), black (Huelva), dark-green (Jaén), purple (Almería),  white (Sevilla).

note 4 : birds ringed since 2016.

note 5 : 

Combination of :
* white ring with a black three alpha code (on left tarsus)
* c-ring 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 colours in the c-ring are (depending the province) :  yellow Cádiz), red (Córdoba), black (Huelva), dark-green (Jaén), purple (Almería),  white (Sevilla).

note 3 : birds ringed since 2016.

note 4 : 

Combination of :
* white ring with a black three numeric code (on left tarsus)
* c-ring and metal ring (on right leg).

note 1 : used numbers are : 0 - 9.

note 2 : used colours in the c-ring are (depending the province) :  yellow Cádiz), red (Córdoba), black (Huelva), dark-green (Jaén), purple (Almería),  white (Sevilla).

note 3 : birds ringed since 2016.

note 4 : 

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

note 1 :

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

note 1 : birds were ringed in the UK since 2016.

note 2 : the two letters of the code are separated by a white line (e.g. A|A).
Used letters are : A, C, F, H, J, K, L, N, O, P, S, T, U, V, X, Y, Z.

note 3 : c-ring on left leg means birds ringed in East Anglia while c-ring on right leg means birds ringed in SW England.

note 4 :

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

note 1 : Birds were ringed in the Netherlands since 1999.

note 2 : Two alpha-numeric coded yellow colour rings were used from 1999 to 2013 ; from 2014 onwards the two letters/numbers of the code are separated by a black line (e.g. A|A).

note 3 :

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

note 1 : Birds were ringed in the Netherlands since 1999.

note 2 : Two alpha-numeric coded yellow colour rings were used from 1999 to 2013 ; from 2014 onwards the two letters/numbers of the code are separated by a black line (e.g. A|A).

note 3 :

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

note 1 : used numbers are : 0 - 9.

note 2 : birds ringed since 1990.

note 3 :