Common Kestrel

Dark-blue ring with a white 3 alpha code (on left leg) and metal ring (on right leg).

note 1 : codes starting "A"or "B" or "C" or "F"

note 2 : Birds ringed in Southern, Central and NW England.

note 3 :

Red ring with a white three numeric code, first ":" /number/number/number.

note 1 :  

Red ring with a white two alpha code (on one leg) and metal ring (on the other leg).

note 1 : this is a local project (Viennese Kestrel Project).

note 2 : only nestlings are c-ringed in this population.

note 3 : 

Dark-blue ring with a white colon ":" and then three alpha-numeric-code (on one leg) and metal ring (on the other leg).

note 1 : used codes : :A00 - :A99 and :K00 - :K99. 

note 2 :

Light-green (lime) ring with black 3-alpha code (on left tarsus) and metal ring (VT Arnhem) (on right tarsus)

note 1 : this is a local project (RAS project in “groene hart” area in The Netherlands).

note 2 : nestlings and adult birds are c-ringed in this population.

note 3 : used letters are : A, C, E, H, J, K, L, N, P, S, T, U, X, Y, Z.

note 4 : project starts in 2017.

note 5 : 

Green wingtag with a white three alpha-numeric code : letter 'x' / letter / number. 

note 1 : used codes in 2016 : XF0-XF9.

note 2 :

* Blue ring with a black  three numeric code (on one leg) and metal ring (on other leg).

note 1 : this is a local project (Lebedeva Natalia’ Kestrel Project).

note 2 : nestlings and adult birds are c-ringed in this population.

note 3 : birds from two different habitats are c-ringed (yellow : reed habitat and blue : tree habitat)

note 4 :

* Yellow ring with a black three alpha-numeric code : number/letter/letter (on one leg) and metal ring (on other leg).

note 1 : this is a local project (Lebedeva Natalia’ Kestrel Project).

note 2 : nestlings and adult birds are c-ringed in this population.

note 3 : birds from two different habitats are c-ringed (yellow : reed habitat and blue : tree habitat).

note 4 :

Yellow ring with a black three alpha-numeric code : number-letter-number and

number-letter-letter (on right tarsus) and metal ring (on left tarsus).

note 1 : series used from 2016 onwards.

note 2 : used series form 2022 onwards : 0AA-9ZZ.

note 3 :

Combination of :
* orange ring with a black three alpha code (on one leg) and
* green ring with a white two alpha code ring above the metal ring (on the other leg).

note 1 : most birds are ringed in 2008 - 2009 in Friesland and Groningen, The Netherlands.

note 2 : used letters are : A,C,E,H,J,K,L,N,P,S,T,V,X,Y,Z.

note 3 :