Nightjars

species: 
Nightjar
scientific name: 
Caprimulgus europaeus
notes: 

White ring  with a black three alpha-numeric code.

note 1 : used codes are : H01-H99 during 2017.

note 2 :

email sighting submit: 
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: 
Belgium.