Common Tern

Yellow ring with a black three alpha-numeric code.

note 1 :

Yellow flag with a black three numeric code.

note 1 : used codes 300-399.

note 2 : Common Terns, ringed as juveniles in the south of Luxembourg and the nearby border region in Germany.

note 3 :

Red ring with a white three numeric code (800 - 999) (on left tarsus).

note 1 : birds ringed in Rutland, UK.

note 2 :

Black ring with a white four alpha-numeric code, starting letter "J".

note 1 :

Red ring with a white three alpha-numeric code, starting letter "A". (A00-A99).

note 1 :

Black ring with a black three alpha code.

note 1 : some codes can have a check dot in the code.

note 2 : birds ringed in the Dutch inland.

note 3 : used codes are : FAA-FZZ,

Black ring with a black three alpha-numeric code.

note 1 : some codes can have a check dot in the code.

note 2 : birds ringed in the Dutch inland.

note 3 : used codes are : L00-L99, 00L-99L, 0L0-9L9.

note 4 :

Red ring with a white three numeric code.

note 1 : codes 700-799.

note 2 : birds ringed in Co Cork, Ireland.

note3 :
 

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

note 1 : used codes : SAA - SZZ

Black ring with a white three alpha code and metal ring (on other leg).

note 1 : starting letter "A", followed by letters. Used codes : AAA-AZZ.

note 2 : birds ringed since 2023.

note 3 :