Med Gull returns "for the winter"?

Heysham Obs
North harbour wall
Black Guillemot still present in harbour mouth a.m. but not seen afternoon/evening
Mediterranean Gull - 2nd S 1900hrs. patrolling
Knot - 160 skeer opposite Sand Plant Gate - no adults.
Linnet - pair at Sand Plant

Stage 2 outfall
Black-headed Gull min. 250.
No sign of any Knot, but tide not far enough in during late afternoon check

Mammals
Grey Seal off north harbour wall

Moths
Shears new for the year

Elsewhere
Quail heard again along Marsh Lane, Heversham (pm)