White ring with a black two numeric code (right tibia) and metal ring (left leg).
note 1 :
Red ring with a white three alpha code, starting letter 'J' or 'K' (on left tibia) and metal ring (on right tarsus).
note 1 : birds ringed at several locations in Scotland.
note 2 :
Orange ring with a black three alpha code, starting letter 'P' (on right tibia).
note 1 : birds ringed in Cheshire.
White ring with a black three numeric code (on left tibia) and metal ring (on right tarsus).
note 1 : code to be read from bottom to top.
note 2 : used codes 000-999, except 666.
note 3 :
Yellow ring with a black four alpha-numeric code, starting letter "R followed by three numbers.
note 1 : used codes are : R000-R999.
Dark-blue ring with a white two alpha code (on left tibia).
note 1 : codes used are : X/letter and Z/letter
note 2 : birds ringed in Derbyshire, England.
Dark-blue ring with a white two alpha-numeric code (on left tibia).
note 1 : codes used are : X/number and Z/number.
Dark-blue ring with a white two numeric code (on left tibia).
note 1 : birds ringed in the UK, Nottinghamshire.
Red ring with a white three alpha-numeric code (1 letter and 2 numbers).
note 1 : codes used: F + number + number (F00-F99).
note 2 : birds ringed at Waveney Valley, North Suffolk and South Norfolk.