Ducks

species: 
Marbled Duck
scientific name: 
Marmaronetta angustirotris
notes: 

Blue or white wingtag with code (2 alphanumeric code) AND

blue or black ring with code (2 alphanumeric code).

note 1: information on the Marbled Duck colour-ring project : 

Yellow PVC ring on the left leg.

White PVC ring on the right leg.

Two coloured PVC rings together on the right leg.

Light blue lettered/numbered PVC ring on the right leg.

Black, lettered/numbered ring on the right leg.

Light blue ring and wing tags in 1996.

email sighting submit: 
colour-ring type: 
Wingtag : combination with coded legring.
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).
countries where ringed: 
Spain.