Northern Wheatear

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

note 1 :  

Orange ring with a black two alpha code (on left leg) and metal ring (on right leg).

note 1 : birds ringed on St Kilda, Scotland.

note 2 : 

Combination :
* dark-green ring with a white two alpha code (on left leg).
* plain dark-green ring over metal (on right leg).

note 1 : birds ringed East Lothian, Scotland.

note 2 : 

Dark-green ring with a white two alpha-numeric code and metal ring (on other
leg).

note 1 : used letters are A, C, F, H, J, L, M, N, P, R, T, U, V, W and X.

note 2 : used numbers are 0 - 9.

note 3 : birds ringed since 2026.

note 4 : generally, PVC ring on left tarsus.

note 5 :

Dark-green ring with a white two alpha code and metal ring (on other leg).

note 1 : used letters are : A, C, F, H, J, L, M, N, P, R, T, U, V, W and X.

note 2 : birds ringed since 2026.

note 3 : generally, PVC ring on left tarsus.

note 4 :

Dark green ring with a white two numeric code and metal ring (on other leg).

note 1 : used numbers are : 0 - 9.

note 2 : birds ringed since 2026.

note 3 : generally, PVC ring on left tarsus.

note 4 :

Combination of c-rings :
* 2 c-ring (on one leg).
* metal ring (on other leg).

note 1 : used colours ate : red, yellow, dark-blue, black.

note 2 : birds are ringed in Köthen, Saxony-Anhalt.

note 3 :

Yellow ring with a black three three alpha-numeric code (on left tarsus) and metal ring (on right tarsus). 

note 1 : used code is : letter/number/number.

note 2 :

Combination of :
* white ring with a black two numeric code.
* plain c-ring.

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

note 2 :

Combination of one or two or three c-rings and a white ring with a black alpha code letter "H" (on right tarsus) and metal ring (on left tarsus).

note 1 : used colours are : white, black, red, yellow, dark-blue, dark-green, light-green, pink (8 colours).

note 2 : the aim of this project is to study the site fidelity, the reproductivity and to compare juvenile-adult survival ratio and in some case to mark migratory birds.

note 3 : on the first 8 birds we will use 1 cr-ring above the white ring (on right tarsus).

note 4 : on the next 64 birds we will use 2 cr-ring. One is above the metal ring (on left tarsus) and one is above the white cr-ring (on right tarsus).

note 5 : on the next 512 birds we will use 3 cr-ring. 2 are above the metal ring (on the left tarsus) and one is above the white cr-ring (on right tarsus).