Terns

species: 
Sandwich Tern
scientific name: 
Thalasseus sandvicensis
notes: 

Yellow ring with a black three alpha-numeric code : starting letter 'A' / number / number (on right tarsus) and metal ring (on left tarsus).

note 1 : used codes are A00-A99.

note 2 :

website sighting submit: 
European colour-ring Birding submit
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): 
Three alpha-numeric code (3 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus right.
First letter/number (of the c-ring): 
A