Place: Priego de Cordoba, Andalucia
Date: 10 June 2015.
Place: Ogmore-by-Sea, South Wales
Date: 20 May 2018.
Place: Kellie Castle, Fife, Scotland
Date: 23 June 2018.
Place: Tantallon Castle, East Lothian, Scotland
Date: 27 June 2018.
[Delichon urbicum, Family Hirundinidae, Order Passeriformes, Wikipedia Entry: Common house martin]
The sound of the house martin (borrowed from the Xeno-Canto website, recordist Patrik Åberg)
Distribution and sightings of the house martin across the British Isles (borrowed and modified from the Bird Atlas Mapstore).
Marnix's Bird Gallery 