Gulls
species:
Black-headed Gull
scientific name:
Chroicocephalus ridibundus
notes:
White ring with a black 3 numeric code.
note 1 : used codes are 001 etc ...
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):
Three numeric code (3 numbers).
countries where ringed:
Denmark.
