Gulls
species:
Black-headed Gull
scientific name:
Chroicocephalus ridibundus
notes:
Red ring with a white four alpha-numeric code (first letter V and three numbers).
note 1 : used codes are : V001-V000.
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:
Denmark.
First letter/number (of the c-ring):
V
