Swans

species: 
Mute Swan
scientific name: 
Cygnus olor
notes: 

Blue ring with a four alpha-numeric code (on right tarsus).

note 1 : used codes are : TO00-TU99, TY00-TY99, TC00-TC99.

note 2 : note : letter 'T'/letter/number/number ... of which the first serie is T/letter 'O'/ two numbers.

note 3 : in the UK is a project : letter 'T'/number/number/number.

note 4 :

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): 
Four alpha-numeric code (4 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus right.
countries where ringed: 
Lithuania.
First letter/number (of the c-ring): 
T