|Lesser Black-backed Gull (Larus fuscus)|
|The Lesser Black-backed Gull is slightly smaller than the Herring Gull Larus argentatus, has darker grey upperparts, yellow bill with red spot, almost no white spots on the wing tips at rest and yellowish legs. The underwings of the Herring Gull are pure white.
Most birds migrate during the winter to the western Mediterranean and West Africa but increasing numbers now winter in Britain.
There are illustrations in HBW, Volume 3, Page 606.