Terns

species: 
Common Tern
scientific name: 
Sterna hirundo
notes: 

Dark-blue ring with a white three alpha-numeric code, starting letter 'L or H' (on one leg) and metal ring (on other leg).

note 1 : L0A-L9Z and LA0-LZ9.

note 2 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Germany.
First letter/number (of the c-ring): 
L or H