Falcons

species: 
Eurasian Hobby
scientific name: 
Falco subbuteo
notes: 

White ring with a three alpha-numeric code, starting letter "C" followed by two numbers (on left tarsus) and metal ring (on right tarsus).

note 1 :

website sighting submit: 
Report Form Luomus
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
Finland.
First letter/number (of the c-ring): 
C