Ducks

species: 
Wigeon
scientific name: 
Mareca penelope
notes: 

Yellow ring with a black two alpha-numeric code : letter/number or letter or number/symbol.

note 1 : used codes are :
- letters : A, B, C, D, F, H, J, K, L, N, P, S, T, U, V, X, Y and Z. Letter "O" is not used.
- number : 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.

note 2 : used codes are also = or + ; used codes are : 1=, 2=,....... A=, C=, 1+, 2+,..... A+, C+

note 3 : during october '15 some 26 birds are c-ringed.

note 4 :

email sighting submit: 
email sighting submit (2): 
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).
countries where ringed: 
The Netherlands.