Place: Ring canal around Bruges, Belgium
Date: 2 December 2018.
Place: Village Bay, Hirta, St.Kilda
Date: 9 June 2019.
Place: Venice, Italy
Date: 20 August 2019.
Place: Brindisi, Italy
Date: 18 September 2019.
Place: River Taff upstream of Radyr Weir, Forest Farm, Cardiff
Date: 25 October 2020.
Place: River Taff upstream of Radyr Weir, Forest Farm, Cardiff
Date: 15 February 2021.
Place: Radyr Weir, Forest Farm, Cardiff
Date: 10 March 2021.
Place: Overstrand, Norfolk
Date: 25 September 2021.
[Chroicocephalus ridibundus, Family Laridae, Order Charadriiformes, Wikipedia Entry: Black-headed gull]
The sound of the black-headed gull (borrowed from the Xeno-Canto website, recordist Patrik Åberg)
Distribution and sightings of the black-headed gull across the British Isles (borrowed and modified from the Bird Atlas Mapstore).