Gulls

species: 
Herring Gull
scientific name: 
Larus argentatus
notes: 

Dark-green ring with a four alpha code (starting letter "S").

note 1 : after the "S" a 'dot' is to be found followed by three letters.

note 2 : birds ringed (irrespective of sex and age) near Zaanstad, The Netherlands but also in IJmuiden (urban gull project) now also for IJmuiden, the Zaanstreek, Den Helder, maybe next year Amstelveen.

note 3 : steel ring on opposite tibia.

note 4 :

email sighting submit: 
email sighting submit (2): 
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 code (4 letters).
countries where ringed: 
The Netherlands.
First letter/number (of the c-ring): 
S