Swans

species: 
Whooper Swan
scientific name: 
Cygnus cygnus
notes: 

Yellow neckband with a black four alpha-numeric code.

note 1 : used codes are 4T00-4T50

note 2 : birds have been banded at a breeding site in Saxony-Anhalt near Merseburg.

note 3 :

website sighting submit: 
European colour-ring Birding submit
email sighting submit: 
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.
First letter/number (of the c-ring): 
4T