Crows

species: 
Common Raven
scientific name: 
Corvus corax
notes: 

Blue ring with a white two numeric code (on one leg) and metal ring (on other leg).

note 1 : 

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
colour-ring code (of the c-ring): 
Two numeric code (2 numbers).
countries where ringed: 
Spain.