Birds of interest on the very icy Lune in Lancaster between Skerton Bridge (finished 1787) and the former Salt Ayre Tip:

Mediterranean Gull 1 (2nd-winter, female-sized!) again Green Ayre. Pic of its eye attached below.
Green Sandpiper 1
Shoveler 1
Great Black-backed Gull 4
Goosander 9
Goldeneye 6

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Mallard 73 on canal at small patch of free water Aldcliffe Rd.