Ducks

species: 
Common Shelduck
scientific name: 
Tadorna tadorna
notes: 

Yellow ring with a black three alpha-numeric code.

note 1 : used codes are : H00 to H99, P00 to P99 and Y00 to Y99.

note 2 :

website sighting submit: 
Colour Ringing Norway
email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Norway.