Terns

species: 
Black Tern
scientific name: 
Chlidonias niger
notes: 

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

note 1 : this project, about 20 birds each year, started during 2002 in Zuid-Holland, The Netherlands and has as goal to estimate the adult survival and related questions.

email sighting submit: 
colour-ring type: 
Legring : 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.
Images: