Crows

species: 
Common Raven
scientific name: 
Corvus corax
notes: 

Red ring with a white four alpha-numeric code, starting letter 'B'.

note 1 : project started during 2012.

note 2 : used codes are B001-B499.

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Red [R]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Bulgaria.
First letter/number (of the c-ring): 
B