Ducks

species: 
Gadwall
scientific name: 
Mareca strepera
notes: 

Black ring with a white two alpha-numeric code : letter/number OR number/letter.

note 1 :

email sighting submit: 
website information: 
Southern Colour Ringing Group
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Black (Niger) [N]
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).
countries where ringed: 
United Kingdom.