Gulls

species: 
Lesser Black-backed Gull
scientific name: 
Larus fuscus
notes: 

White ring with black one alpha code followed by a '+' (on right tibia) and metal ring (on left tarsus).

note 1 :

email sighting submit: 
website information: 
Gull Research
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
One alpha code (1 letter).
colour-ring position (of the c-ring): 
Tibia right.
countries where ringed: 
The Netherlands.