Terns

species: 
Common Tern
scientific name: 
Sterna hirundo
notes: 

Yellow ring with a black line (on top or middle) and a two alpha code (on right tarsus) and metal ring (on left tarsus).

note 1 :

email sighting submit: 
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).
colour-ring position (of the c-ring): 
Tarsus right.
countries where ringed: 
Lithuania.
Images: