Swans

species: 
Whooper Swan
scientific name: 
Cygnus cygnus
EURING code: 
01540
notes: 

White rings with a black two alpha-numeric code.

note 1 : 

email sighting submit: 
snailmail sighting submit: 
Jeroen Nienhuis,
colour-ring type: 
Legring : one, coded.
colour-ring colour: 
White [W]
colour-ring code: 
Two alpha-numeric code (2 letters/numbers).
colour-ring position: 
Tarsus left.
countries where ringed: 
The Netherlands.