Crows

species: 
Common Magpie
scientific name: 
Pica pica
notes: 

Dark-green ring with a white 4 alpha-numeric code, starting letter 'C'.

note 1 : up to 2014, a total of 1 ring was delivered since 1997.

note 2 :  

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Green [G]
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