Hooded Crow

White ring with a black four alpha-numeric code, starting letter "Z"

note 1 : used codes are : Z000 to Z999.

note 2 : project in Vienna and Lower Austria, starting in 2024.

note 3 :

Yellow ring with a black four alpha code, starting letter "I".

note 1 :

Orange wingtag with a blakc three alpha-numeric code : letter/number/number.

note 1 :

Combination of a white wingtag with a black code (on each wing) + scheme ring (on left tarsus) and white ring (on right tarsus).

note 1 :  birds ringed at Debrecen, Hungary.

note 2 :  

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

note 1 : birds ringed on islands of Oronsay and Colonsay, Scotland.

note 2 : 

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

note 1 : birds ringed on island of Tiree, Scotland.

note 2 : 

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

note 1 : birds ringed on islands of Oronsay, Colonsay and Tiree; Scotland.

note 2 : 

Yellow ring with a black four alpha-numeric code, starting letter 'X' or 'T' followed by 3 alpha-numerics (on left leg) and metal ring (on right leg).

note 1 : over 750 birds ringed in Greifswald, germany.

note 2 :  

White ring with a black three alpha-numeric code.

note 1 : starting letter 'C'.

note 2 : up to 2014 a total 100 rings delivered, since 1997.

note 3 :

Red ring with a white 3 alpha-numeric code (on right tarsus) and metal ring (on left tarsus) : letter/number/number.

note 1 :