Gulls
species:
Black-headed Gull
scientific name:
Chroicocephalus ridibundus
notes:
Yellow ring with a black four alpha-numeric code (first letter N).
note 1 : used codes are N100-N599.
note 2 : birds are ringed on the local rubbish dump of Salamanca (W.Spain).
note 3 :
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-numeric code (4 letters/numbers).
countries where ringed:
Spain.
Images:
First letter/number (of the c-ring):
N
