Egrets

species: 
Grey Heron
scientific name: 
Ardea cinerea
notes: 

Dark-blue ring with a white three alpha-numeric code, starting letter "C" followed by letter/number (on right tibia) and metal ring (on left tibia).

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-numeric code (3 letters/numbers).
colour-ring position (of the c-ring): 
Tibia right.
countries where ringed: 
Czech Republic.
First letter/number (of the c-ring): 
C