Terns
species:
Black Tern
scientific name:
Chlidonias niger
notes:
White leg-flag with a black two alpha-numeric code (on right tarsus) and metal ring (on left tarsus).
note 1 :
email sighting 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).
countries where ringed:
Ukraine.
