Shrikes

species: 
Red-backed Shrike
scientific name: 
Lanius collurio
notes: 

One c-ring with a two alpha-numeric code.

note 1 : used colours are white, red, dark-blue, dark-green, yellow.

note 2 : codes is vertical written, to be read one above another.

note 3 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Red [R]
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).
countries where ringed: 
The Netherlands.