Place: Uppark House, West Sussex
Date: 7 April 2017.
Place: Sezincote House, Cotswolds, Gloucestershire
Date: 29 July 2021.
[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 