Common Kestrel

Black ring with a white three numeric code, starting letter "E".

note 1 : from 2026 onwards a vertical line is put after the first letter.

note 2 : also other letters are used.

note 3 :

Black ring with a white three alpha code, starting letter "E".

note 1 : from 2026 onwards a vertical line is put after the first letter.

note 2 : also other letters ar used.

note 3 : 

Black ring with a white three alpha-numeric code, starting letter "E".

note 1 : from 2026 onwards a vertical line is put after the first letter.

note 2 : also other letters ar used.

note 3 : 

Brown ring with a white two alpha code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in Gloucestershire, UK.

note 2 : 

Silver ring with a black three alpha-numeric code. (number-number and under a letter).

note 1 :  used numbers : 16-86 ; used letters : A - Z.

note 2 : 
 

Black ring with a white three alpha code (letter/letter/letter) (on left leg) and metal ring (on right leg).

note 1 : birds ringed northern England.

note 2 : codes starting N, P, S, T, V or X.

note 3 : 

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

note 1 : birds ringed in West Midlands, England.

note 2 : 

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

note 1 : except starting-letter "R".

note 2 : 

Black ring with a white three alpha-numeric code.

note 1 : used codes are : 0AH to 9ZZ.

note 2 : 

Light-green (lime) ring with a black three alpha-numeric code.

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

note 2 : after the letter is a vertical line: |.

note 3 : used codes are : A|00-A|99 with the next letters of the alphabet.

note 4 : mainly adult birds are ringed, started in January 2025.

note 5 :