Terns

species: 
Sandwich Tern
scientific name: 
Thalasseus sandvicensis
notes: 

Orange ring with a black three alpha-numeric  code (on one leg) and metal ring (on other leg). 
* number / letter 'V' / number.
* letter 'V' / letter / number.
* letter 'V' / number / letter.

note 1 : 

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Orange [O]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
The Netherlands.