Gulls
species:
Black-headed Gull
scientific name:
Chroicocephalus ridibundus
notes:
Red ring with a white four alpha code (first letter H).
note 1 : used codes are Hlll, but also Hnnl and Hnll, where n=number and l=letter.
note 2 :
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 code (4 letters).
countries where ringed:
Hungary.
Images:
First letter/number (of the c-ring):
H
