Common Kestrel

Black ring with a white two alpha-numeric code.

note 1 : used codes are :
used numbers are:  1 - 9.
used letters are:  B, D, E, G, I, K, O, S, Y, Z.

note 2 : used codes are : B1-9, D1-9, E1-9, G1-9, I1-9, K1-9, O1-9, S1-9, Y1-9, Z1-9.

note 3 : during 2022 silver-grey rings with a black code are used. See two other projects.

note 4 :

coloured/anodized metal ring (on one leg) and metal ring (on other leg).

note 1 : project runs since 1996.

note 2 :

Dark-green ring with a white two alpha-numeric code (on left tarsus) and metal ring (on right tarsus).

note 1 : used codes are : A1-K5.

note 2 : birds ringed in the westpart of Berlin.

note 3 : project started without coordination and thus overlap with Spanish-project.

note 4 :

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

note 1 : used codes are : A1-P6.

note 2 : birds ringed in the westpart of Berlin.

note 3 : project started without coordination and thus overlap with UK-project.

note 4 :

Dark-blue with a white two alpha-numeric code (on left tarsus) and metal ring (on right tarsus).

note 1 : used codes are : A1-I1.

note 2 : birds ringed in the westpart of Berlin.

note 3 : project started without coordination and thus overlap with UK-project.

note 4 :

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

note 1 : used codes are : A1-H5.

note 2 : birds ringed in the westpart of Berlin.

note 3 : project started without coordination and thus overlap with UK / Scotland project.

note 4 :

Light-green (lime) ring with black 3 alpha-numeric 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 : used codes are : letter - letter - number OR number - letter - letter.

note 5 : project starts in 2017.

note 6 :
 

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

note 1 : codes used: A00-A99.

note 2 : birds ringed in North Norfolk, UK.

note 3 :

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

note 1 : used codes : starting letter "A" + Letter + Letter.

note 2 : birds ringed in Northamptonshire.

note 3 :

Dark Green ring with a white 2 numeric code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in the UK; county Surrey.

note 2 :