Gulls

species: 
Herring Gull
scientific name: 
Larus argentatus
notes: 

White code with a red four alpha-numeric code (last letter "C")

note 1 : four alpha-numeric code of which the last letter is always a "C", site identifier for Clyde, ringing-area in Scotland.
note 2 : a colon (:) is always following the first three alpha-numeric code. For example : 1A1:C , 0Z0:C, etc...
note 3 : note used letters are : F, I, O and Q.
 

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Scotland.
Last letter (of the c-ring): 
C