Gulls

species:

Black-headed Gull

scientific name:

Chroicocephalus ridibundus

notes:

Yellow ring with a black four alpha-numeric code : first letter 'U' followed by three alpha-numeric or numeric code.

note 1 : used codes are U000 to U999.

note 2 : during 2013-2018 used near 900 color rings.

note 3 : birds ringed in different regions of Ukraine.

note 4 : used code are in 2020-21 : UA00-UA99 ; UC00-UC99, than UE00-UE99 and later UJ00-UJ99 etc.

note 5 :

email sighting submit:

email sighting submit (2):

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:

Ukraine.

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