Western Jackdaw
scientific name: 
Corvus monedula

Yellow ring with a black two alpha-numeric code.

note 1 : first a letter, then a number.

note 2 : from 2022 onwards : number/letter.

note 3 :

email sighting submit: 
email sighting submit (2): 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).
countries where ringed: 
Czech Republic.