Terns

species: 
Black Tern
scientific name: 
Chlidonias niger
notes: 

Yellow ring with a black three alpha-numeric code (letter/number/number).

note 1 : used codes are : A00-A99, C00-C99, E00-E99,

note 2 :

email sighting submit: 
email sighting submit (2): 
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 or C or E