Terns

species: 
Damara Tern
scientific name: 
Sternula balaenarum
notes: 

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

note 1 :

website sighting submit: 
European colour-ring Birding submit
colour-ring type: 
Flag : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Two alpha code (2 letters).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
Namibia.