Terns

species: 
Sandwich Tern
scientific name: 
Thalasseus sandvicensis
notes: 

White ring with a black 3 alpha-numeric code, starting letter 'G'.

note 1 : codes used : G01-G99.

note 2 : birds are ringed in the Gambia starting 2011.

note 3 :

email sighting submit: 
website information: 
Kartong Bird Observatory.
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
The Gambia.
First letter/number (of the c-ring): 
G