Mute Swan

Yellow ring with a black two alpha code.

note 1 :

Yellow ring with a black four numeric code.

note 1 : starting code from 1000 onwards.

note 2 : 

White ring with a black four alpha-numeric code, starting letter "W" followed by three numbers.

note 1 : used codes are : W001-W999.

note 2 :

Red ring with a white four alpha-numeric code, starting letter "A" folowed by three numbers.

note 1 : used codes are :  A100 ... A200 etc.

note 2 :

Orange ring with a black three alpha-numeric code (number / number / letter).

note 1 :

Yellow ring with a black four alphanumeric code.

note 1 : all these birds have been ringed in and around the city of Lincoln, UK since 2017.

note 2: all rings start with the letter L with the exception of Y064 and Y079-Y085.

note 3 :

Yellow ring with a black two alpha-numeric code.

note1 : used codes are So it is A0-A9, B0-B9 etc.

note 2 :

Yellow ring with a black two alpha code.

note1 : used codes are AA-ZZ.

note 2 :

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

note 1 : used codes are number '9' /letter/letter OR letter/number '9' /letter OR letter/letter/number '9'.

note 2 : all birds ringed will be birds that have come into the wildlife centre for rehabilitation.

note 3 :

Yellow ring with a black two alpha code.

note 1 : used codes are : AA-ZZ.

note 2 :