Harriers

species: 
Western Marsh Harrier
scientific name: 
Circus aeruginosus
notes: 

Dark-blue ring with a white three alpha code, first letter 'S' or 'X' or 'Y' (on right tarsus) and metal ring (on left tarsus).

note 1 : 

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
colour-ring code (of the c-ring): 
Three alpha code (3 letters).
colour-ring position (of the c-ring): 
Tarsus right.
countries where ringed: 
Slovak Republic.
First letter/number (of the c-ring): 
S or X or Y