Fairly common breeding summer visitor to Shetland, much less so on Foula. Also a passage migrant.
One or two pairs occasionally breed. The
first documented record is by Jackson (1966) who noted a mixed Lesser Black-backed x Herring Gull
pair incubating eggs. Furness (1983) noted 9 pairs in 1969, but this is more
unusual.
Numbers
normally peak around early to mid June. An impressive 50 birds were seen on
Singles
are usually observed throughout the passage months of spring and autumn. The
latest bird was observed on