Combination of two c-rings each with a 1 numeric code (one on each tibia).
note 1 : birds are ringed in the UK and Ireland, mostly as nestlings.
note 2 : by end of summer 2008 approx. 300 birds had been ringed at 15 sites in the UK and Eire.
note 3 : orange and red rings are both used and are regularly being confused, but can be identified by the colour of the characters ; orange rings have black characters whilst red rings have white characters.
Combination of two c-rings each with a 1 alpha code (one on each tibia).
note 1 : birds are ringed in the UK and Ireland, mostly as nestlings.
note 2 : by end of summer 2008 approx. 300 birds had been ringed at 15 sites in the UK and Eire.
note 3 : orange and red rings are both used and are regularly being confused, but can be identified by the colour of the characters ; orange rings have black characters whilst red rings have white characters.