Terns

species: 
Common Tern
scientific name: 
Sterna hirundo
notes: 

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

note 1 : used codes are 300-399.

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 numeric code (3 numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
Northern Ireland
First letter/number (of the c-ring): 
3