Gulls

species: 
Black-legged Kittiwake
scientific name: 
Rissa tridactyla
notes: 

Blue ring with a white three alpha-numeric code (on left tarsus) and metal ring (on right tarsus).

note 1 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
United Kingdom.
First letter/number (of the c-ring): 
A