Gulls

species: 
Glaucous Gull
scientific name: 
Larus hyperboreus
notes: 

Yellow ring with a black two alpha-numeric code (on one leg) and metal ring (on other leg).

note 1 : 

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