Crows

species: 
Common Magpie
scientific name: 
Pica pica
notes: 

Yellow ring with a black three alpha-numeric code.

note 1 :

email sighting submit: 
contactperson: 
Jiří Šantavý,
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
countries where ringed: 
Czech Republic.