Swans

species: 
Whooper Swan
scientific name: 
Cygnus cygnus
notes: 

Yellow neckband with a four alpha-numeric code.

note 1 : used codes are : 2R00-2R99, 4R00-7R99, 8R00-8R99, 9R00-9R11.

note 2 : birds of the serie 9R00-9R11 have a GPS-logger.

note 3 :

email sighting submit: 
website information: 
German swan info.
colour-ring type: 
Neckband.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Germany.