Terns

species: 
Sandwich Tern
scientific name: 
Thalasseus sandvicensis
notes: 

White ring with a black three alpha code, first letter 'T'.

note 1 :  used letters are A, B, C, D, F, H, J, K, L, N, P, S, T, V, X, Z.

note 2 : 

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): 
Three alpha code (3 letters).
countries where ringed: 
The Netherlands.
Images: 
First letter/number (of the c-ring): 
T