Terns
species:
Black Tern
scientific name:
Chlidonias niger
notes:
Yellow leg-flag with a black two alpha code.
note 1 : this project, about 20 birds each year, started in 2011 in Zuid-Holland, The Netherlands and has as goal to study migration.
email sighting submit:
colour-ring type:
Flag : one, coded.
colour-ring colour (of the c-ring):
Yellow [Y]
colour-ring code (of the c-ring):
Two alpha code (2 letters).
colour-ring position (of the c-ring):
Tarsus left.
countries where ringed:
The Netherlands.
