Gulls

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

Dark-blue ring with a white four alpha-numeric code, starting letter "T" follwed by a colon ":" and three numbers (on left tarsus) and metal ring (on right tarsus).

note 1 : used codes are : T:001, T:002 ~~  T:999, T:000.

note 2 :     

email sighting submit: 
contactperson: 
Rob Robinson
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
United Kingdom.
First letter/number (of the c-ring): 
T: