Confidence: I'm as sure as I can be.
Notes: Bird at the front left of the group is colour ringed. It was confirmed as having been ringed 2.5 years previously on North Ronaldsay, Orkney. It had subsequently been re-sighted on several occasions including in the Faeroes, on North Ronaldsay and several times on Tyneside. Other colour ringed birds in this flock have been confirmed as having been ringed in Iceland.