Terns

species: 
Arctic Tern
scientific name: 
Sterna paradisaea
notes: 

Yellow ring with a black two alpha-numeric code.

note 1 : used codes, as starting letter Q (with a vertical line after between the two characters) or S and a second code A, C, E, F, H, J, K, L, N, P, R, S, T, V, X, Z.

note 2 :  

email sighting submit: 
contactperson: 
Maarten Loonen
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).
countries where ringed: 
Svalbard.