21 September 2023 County Londonderry, Northern Ireland A poster reported seeing a seal in the River Bann in the town centre that evening.
Source: r/northernireland eyewitness post — https://www.reddit.com/r/northernireland/comments/16olzq4/
21 September 2023 · County Londonderry, Northern Ireland
20 August 2023 Belfast, Northern Ireland A poster reported seeing a seal on the towpath between Drum Bridge and Shaw's Bridge and shared footage. A matching r/Belfast post appears to be the same account and encounter.
Source: r/northernireland eyewitness post — https://www.reddit.com/r/northernireland/comments/15weaay/
20 August 2023 · Belfast, Northern Ireland
4 August 2023 Cambridgeshire, England A seal was seen sunbathing in the lake during a morning walk. The family reused the nickname Bert from an earlier sighting, but the article says it was uncertain whether this was the same seal.
Source: Peterborough Telegraph, 7 August 2023 — https://www.peterboroughtoday.co.uk/news/people/bert-the-seal-spotted-chilling-at-peterborough-rowing-lake-4246324
4 August 2023 · Cambridgeshire, England
2 August 2023 Suffolk, England Two grey seals were spotted in the morning during a National Whale and Dolphin Watch observation.
Source: Sea Watch Foundation NWDW Day 5, 3 August 2023 — https://www.seawatchfoundation.org.uk/national-whale-and-dolphin-watch-day-5-2nd-august/
2 August 2023 · Suffolk, England
2 August 2023 Devon, England An observer entered a grey seal sighting just after 13:30 during National Whale and Dolphin Watch.
Source: Sea Watch Foundation NWDW Day 5, 3 August 2023 — https://www.seawatchfoundation.org.uk/national-whale-and-dolphin-watch-day-5-2nd-august/
2 August 2023 · Devon, England
1 August 2023 Scotland Two harbour seals were reported at around 14:30.
Source: Sea Watch Foundation NWDW Day 4 — https://www.seawatchfoundation.org.uk/national-whale-and-dolphin-watch-day-4-1st-august/
1 August 2023 · Scotland
30 July 2023 Kent Two harbour seals were reported bottling (sleeping in the water) between 10:30 and 11:00.
Source: Sea Watch Foundation field report — https://www.seawatchfoundation.org.uk/national-whale-and-dolphin-watch-day-1-2-29th-30th-july/
30 July 2023 · Kent
30 July 2023 Kent A grey seal was reported heading east from Dungeness.
Source: Sea Watch Foundation field report — https://www.seawatchfoundation.org.uk/national-whale-and-dolphin-watch-day-1-2-29th-30th-july/
30 July 2023 · Kent
29 July 2023 Ceredigion, Wales An adult harbour seal was observed heading north, at a reported distance of about 70 metres.
Source: Sea Watch Foundation field report — https://www.seawatchfoundation.org.uk/national-whale-and-dolphin-watch-day-1-2-29th-30th-july/
29 July 2023 · Ceredigion, Wales
18 July 2023 Gloucestershire, England The reserve's annual highlights list a Harbour Seal from 18 July. This preserves the first date in the source wording; subsequent presence dates are not specified.
Source: WWT Slimbridge, Highlights of 2023
18 July 2023 · Gloucestershire, England
15 July 2023 Mainland Photographic observation identified on iNaturalist as grey seal (Halichoerus grypus atlantica).
Source: Gavin Stone — iNaturalist (ganistuk)
15 July 2023 · Mainland
30 May 2023 Dorset, England One common seal was recorded; the source gives no further behaviour. Source time: 14:45.
Source: Durlston Country Park, Latest Sightings — https://www.durlston.co.uk/latest-sightings
30 May 2023 · Dorset, England