Eurasian Spoonbill
scientific name: 
Platalea leucorodia

White ring with a black four alpha-numeric code, starting letter 'N' or 'D'.

note 1 : reading direction is downward. 

note 2 : both letters and numbers are used. For example: NA3T, NAXX, NA25. 

note 3 : only the following characters are used : A, B, C, D, F, H, J, L, N, P, R, S, T, U, V, X, Z, 1, 2, 3, 4, 5, 6, 7, 9.

note 4 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
The Netherlands and Germany.
First letter/number (of the c-ring): 
N or D