Ducks

species: 
Marbled Duck
scientific name: 
Marmaronetta angustirotris
notes: 

Yellow ring with a black two alpha-numeric code (on right leg).

note 1 :  

website sighting submit: 
Officina de Anillamiento,
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): 
Two alpha-numeric code (2 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus right.
countries where ringed: 
Spain.