Place: Cardoness Castle, Dumfries & Galloway, Scotland
Date: 27 June 2019.
Place: Hillier Gardens, Romsey, Hampshire
Date: 7 July 2020.
Place: Kennet & Avon canal near Crofton, Wiltshire
Date: 9 August 2020.
[Hirundo rustica, Family Hirundinidae, Order Passeriformes, Wikipedia Entry: Barn swallow]
The sound of the barn swallow (borrowed from the Xeno-Canto website, recordist Tomas Belka)
Distribution and sightings of the barn swallow across the British Isles (borrowed and modified from the Bird Atlas Mapstore).