Crows

species: 
Western Jackdaw
scientific name: 
Corvus monedula
EURING code: 
15600
notes: 

White ring with a black three alpha-numeric code, starting letter "N" followed by letter/number or number/letter.

note 1 :

email sighting submit: 
snailmail sighting submit: 
Dr. Diego Villanúa,
colour-ring type: 
Legring : one, coded.
colour-ring colour: 
White [W]
colour-ring code: 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Spain
First letter/number: 
N