Swans

species: 
Mute Swan
scientific name: 
Cygnus olor
notes: 

Red neckband with white 4 alpha-numeric code : letter and 3 numbers.

note 1 : 

email sighting submit: 
email sighting submit (2): 
colour-ring type: 
Neckband.
colour-ring colour (of the c-ring): 
Red [R]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Czech Republic.
Images: