Gulls
species:
Black-headed Gull
scientific name:
Chroicocephalus ridibundus
notes:
Dark-green ring with a white four alpha-numeric code (starting number "2).
note 1 : several ringers participate(d) on the project : for details and direct contact information for the project leader, please, click on the following link or see below :
https://app.bto.org/static/files/euring/Black-headed_Gull_UK.pdf
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).
Attachment:
First letter/number (of the c-ring):
2
