Swans
species:
Mute Swan
scientific name:
Cygnus olor
notes:
Dark-green neckband with a white four alpha-numeric code, starting letter 'BG' followed by two numbers.
note 1 :
email sighting submit:
colour-ring type:
Neckband.
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:
Bulgaria.
First letter/number (of the c-ring):
BG