Terns

species: 
Arctic Tern
scientific name: 
Sterna paradisaea
notes: 

Yellow flag with a black two alpha code (on left leg) and metal ring (on right leg).

note 1 : used codes : AA till ZZ.

note 2 : birds ringed in North Ronaldsay.

note 3 :

email sighting submit: 
colour-ring type: 
Flag : 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 left.
countries where ringed: 
United Kingdom.