Ducks

species: 
Common Goldeneye
scientific name: 
Bucephala clangula
notes: 

Yellow ring with a black two alpha code.

note 1 : 

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 code (2 letters).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
United Kingdom.