Gulls
species:
Great Black-backed Gull
scientific name:
Larus marinus
notes:
Green ring with a white 2 alpha code (mainly on right tibia).
note 1 : rings are 1,8cm. in height and placed above the knee (on the tibia) for better observation results in the colony (high vegetation) and on rubbish-dumps.
note 2 : the position of the metal ring can be left tibia or left tarsus.
note 3 :
email sighting submit:
website information:
colour-ring type:
Legring : one, coded.
colour-ring colour (of the c-ring):
Dark Green [G]
colour-ring code (of the c-ring):
Two alpha code (2 letters).
colour-ring position (of the c-ring):
Tibia right.
countries where ringed:
The Netherlands.
