Ducks

species: 
Wigeon
scientific name: 
Mareca penelope
notes: 

White ring with a black three alpha-numeric code, starting letter "J".

note 1 : code is written vertical on the ring.

note 2 :

colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Norway.
First letter/number (of the c-ring): 
J