Redwing

White ring with a black two numeric code (on left leg) and metal ring (on right leg).

note 1 : 

Combination of c-rings :
* two c-rings (on right leg).
* c-ring above metal ring (on left leg).

note 1 : used colours are : red, white, orange, blue, yellow.

note 2 : in 2023 red and later yellow (on left leg).

note 3 : project runs since 2023 in Normandy, France.

note 4 :

 

Red flag with a white three 3 alpha-numerical code, starting letter “X”, second and third character could be either letter or number.

note 1 :

Yellow ring (on right tarsus) and metal ring (on the left tarsus).

note 1 :

Red ring (on right tarsus) and metal ring (on the left tarsus).

note 1 :

Black ring with a white three numeric code (on left tarsus).

note 1 : black ring is for migratory birds.

note 2 :

Combination of :
* dark-green ring with a white three numeric code (on left tarsus).
* c-ring over metal ring (on right tarsus).

note 1 : dark-green ring is for non-breedign birds/wintering birds (dec.-mid March)

note 2 : 

Combination of :
* yellow ring with a black three numeric code (on left tarsus).
* c-ring over metal ring (on right tarsus).

note 1 : yellow ring is for breeding birds and chicks.

note 2 :  

Red ring with a white two numeric code (on left leg) and metal ring (on right leg).

note 1 :  

White ring with a black two alpha-numeric code, starting letter 'A', or 'E' or 'K'.

note 1 : up to 2014, a total of 30 rings were delivered since 1999.

note 2 :