Swans

species: 
Mute Swan
scientific name: 
Cygnus olor
notes: 

Dark-green ring with a white four alpha-numeric code, starting letter "C".

note 1 : used codes : letter "C" / letter / letter / number.

note 2 : sequences are C001 to C999 incl. CAA0 to CAA9 etc ... down the alphabet, excluding the letters : E, G, I, K, M, Q, R, O, U , Z.

note 3 : birds ringed by the Cheshire Swan Study Group.

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Green [G]
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): 
C