Swans

species: 
Black Swan
scientific name: 
Cygnus atratus
notes: 

Blue ring with a white two alpha code.

note 1 : young birds will get only a blue legring with white 2 alpha-code.

website sighting submit: 
Tracking Marked Geese
email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
colour-ring code (of the c-ring): 
Two alpha code (2 letters).
countries where ringed: 
The Netherlands.