Several immature Glaucous Gulls have remained to the end of the month, with birds at Cley Marshes and Thetford. The bird pictured opposite is a full adult from it's breeding grounds high up in the Atctic.Several were blown south by strong northerly winds earlier in January. The most commonly occuring birds for Norfolk are immatures with their biscuity brown plumage. There was an adult in January at Cley. The immature by the beach raod at Cley was recently seen feeding on a seal carcass washed up after the floods.Main identification features include all ages having pale wingtips. It is bigger than a Herring Gull and bulkier with larger bill and a square shaped head.
About 170 over winter in the UK annually