Gulls
species:
Black-headed Gull
scientific name:
Chroicocephalus ridibundus
notes:
Black ring with a white four alpha code, starting letter 'A'.
note 1 :
email sighting submit:
colour-ring type:
Legring : one, coded.
colour-ring colour (of the c-ring):
Black (Niger) [N]
colour-ring code (of the c-ring):
Four alpha code (4 letters).
countries where ringed:
Germany.
Images:
First letter/number (of the c-ring):
A
