Gulls
species:
Black-headed Gull
scientific name:
Chroicocephalus ridibundus
notes:
Dark-green ring with white four alpha-numeric code (2 / number / letter / number) (on left leg) and metal ring (on right leg).
note 1 :
email sighting submit:
contactperson:
Nigel Judson
colour-ring type:
Legring : one, coded.
colour-ring colour (of the c-ring):
Dark Green [G]
colour-ring code (of the c-ring):
Four alpha-numeric code (4 letters/numbers).
countries where ringed:
United Kingdom.
First letter/number (of the c-ring):
2
