Ducks

species: 
Mallard
scientific name: 
Anas platyrhynchos
notes: 

Dark-blue ring with a white two alpha code.

note 1 : used codes are AA-ZZ.

note 2 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
colour-ring code (of the c-ring): 
Two alpha code (2 letters).
countries where ringed: 
United Kingdom.