Egrets
species:
Black-crowned Night Heron
scientific name:
Nycticorax nycticorax
notes:
White ring with a black 4 alpha-numeric code (starting letter "B").
note 1 : used codes : B001-B300
note 2 : project started in 2012.
email sighting submit:
colour-ring type:
Legring : one, coded.
colour-ring colour (of the c-ring):
White [W]
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
