Sparrows

species: 
House Sparrow
scientific name: 
Passer domesticus
notes: 

Orange ring with a black three alpha-numeric code.

note 1 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Orange [O]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Switzerland.