Gulls

species: 
Caspian Gull
scientific name: 
Larus cachinnans
notes: 

Red ring with a white 2 alpha numeric code with or without a bar between alpha. (mainly on right tibia).

note 1 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Red [R]
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).
countries where ringed: 
The Netherlands.
Images: