British Bird Ring Codes. Both these organisations have websites where you can order the correct rings for the bird species in question. If sex was not known when the bird was ringed sex given on finding is included here.
Colour-ring type Soort Colour-ring colour Colour-ring code First letter Last letter Colour-ring position. A list of scheme addresses and websites can be found here. Ringed Dipper sitting on a branch.
In the example below GB denotes that it is an RPRA ring.
Attaching a uniquely coded metal ring to a birds leg allows the individual to be identified if encountered at a later date revealing the distance direction and duration of. If you have sighted a colour-marked bird you can find information on how and where to report your sighting here. New longevity records either oldest or second oldest should be sent to the bird ringing centre at the Swedish Museum of Natural History in Stockholm by email. 003654-Students Bird Ringing-Tipling_0jpg Information relating to collecting data and taking biometrics including downloadable guides to help in the field can be found in the Data collection and biometrics pages.