Gulls
species:
Black-headed Gull
scientific name:
Chroicocephalus ridibundus
notes:
Yellow ring with a black four alpha code, starting letter 'A'.
note 1 : birds ringed in southern Lower Saxony and north North Rhine-Westphalia.
note 2 :
email sighting submit:
colour-ring type:
Legring : one, coded.
colour-ring colour (of the c-ring):
Yellow [Y]
colour-ring code (of the c-ring):
Four alpha code (4 letters).
countries where ringed:
Germany.
First letter/number (of the c-ring):
A
