Terns

species: 
Sandwich Tern
scientific name: 
Thalasseus sandvicensis
notes: 

Dark-green ring with a white 3 alpha-numeric code (left leg).

note 1 : used codes are : 3 / letter / number.

note 2 : birds ringed on Blue Circle Island, Antrim.

note 3 : 

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Green [G]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Northern Ireland
First letter/number (of the c-ring): 
3