Crows

species: 
Carrion Crow
scientific name: 
Corvus c. corone
notes: 

Yellow ring with a black two alpha-numeric code (on one leg) and metal ring (on other leg).

note 1 : it’s important to take note on which leg the rings are.
note 2: in the framework of studying the dynamics of city (Brussels)-Carrion Crows.
note 3 :

email sighting submit: 
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: 
Belgium.