Gulls

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

Orange ring with a black four alpha-numeric code :
starting letter 'A' / : / letter / number / number.

note 1 : used codes are A:A01, A:A02, ... A:Z00, A:Z99.

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Orange [O]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
United Kingdom.
First letter/number (of the c-ring): 
A: