Gulls

species:

Black-headed Gull

scientific name:

Chroicocephalus ridibundus

notes:

Yellow ring with a black four alpha code, starting letter 'T'.

note 1 :

website sighting submit:

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:

Poland.

First letter/number (of the c-ring):