Well said Max.
It is tbe season of goodwill to all men you know. Oh! and women, sorry.
Though uncommon, Ospreys do occur in winter here in tbe UK.
Sure there's many recent sightings but here's a few older records plucked from the Interweb.
Devon: on the coast at Ilfracombe from Aug-Dec 1944; Roadford Reservoir on 6th December 1998.
Hampshire: Needs Ore on 7th December 1953; Arlesford Reservoir on 3rd-6th December 1967.
Sussex: Arlington Reservoir until 9th December 1994 (from September?).
Surrey: Frensham Little Pond "winter of 1885"; Kew and Richmond Park, December 1898; Gatton 17th November-13th December 1979; Papercourt on 8th December 2004.
Buckinghamshire: "seen in winter" at Fawley Woods in 1858.
Hertfordshire: Moor Hill, Radlett, 8th January 1959.
Essex: "Obtained" near Colchester in the middle of January 1850; River Stour, 10th November-8th December 2006; (also references to "two reported to have visited Gosfield Lake '...during one or two winters...' ".
Norfolk: Hickling on 1st January 1905.
Last but not least.
Lincolnshire: shot on 4th December 1868 (no location given).