Contrary to popular belief Lesser Black-backed Gull is a common winter visitor and passage migrant to the Azores.
Wednesday, 31 March 2010
Sunday, 21 March 2010
Upper two photos: Birds in February towards end of first cycle, showing moulted mantle, scapulars and outer coverts (tertial also replaced in top bird).
Bottom four photos: Birds in September towards beginning of first cycle showing mainly juvenile plumage with the odd moulted scapular and mantle feather.