Gulls
species:
Black-headed Gull
scientific name:
Chroicocephalus ridibundus
notes:
Blue ring with a white four alpha-numeric code, starting letter "N" / number / number / letter "N".
note 1 :
email sighting submit:
email sighting submit (2):
colour-ring type:
Legring : one, coded.
colour-ring colour (of the c-ring):
Dark Blue [B]
colour-ring code (of the c-ring):
Four alpha-numeric code (4 letters/numbers).
countries where ringed:
Spain.
First letter/number (of the c-ring):
N
Last letter (of the c-ring):
N
