Not sure the ring is from this group?
Check the pages for each study species for a description of the rings we have used, otherwise check www.cr-birding.org
Online data submission – Sightings of our ringed Barnacle Geese & Black-headed Gulls can now be entered directly to an online database, where you’ll receive instant life histories & a map of movements. See here
Sighting histories – all sightings will be fully acknowledged with a re–sightings history of the birds reported