Crows

species: 
Western Jackdaw
scientific name: 
Corvus monedula
notes: 

Combination of :
* yellow ring with one black letter or number above metal ring (on one leg)

* 2 or 3 c-rings (on other leg).

note 1 : this is a local project.

note 2 : in case one ring is used :
-for adults : a yellow ring with one letter (on one leg) and 2 c-rings (on the other leg.
-for nestlings (which probably have rather low recruitment) : a yellow ring with 2 numeric digits (01-99) (on one leg) and one c-ring on the other leg.

note 3 :

email sighting submit: 
colour-ring type: 
Legrings : combination of one coded and uncoded rings.
countries where ringed: 
Sweden.