Crows

species: 
Rook
scientific name: 
Corvus frugilegus
notes: 

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

note 1 : up to 2014, a total of 680 rings delivered 2004-2013.

note 2 :

website sighting submit: 
Report form for Finnish ring recoveries.
email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Finland.
First letter/number (of the c-ring): 
C