Place: Zaragoza, Aragon, Spain
Dates: 26 June 2017.
[Acrocephalus arundinaceus, Family Acrocephalidae, Order Passeriformes, Wikipedia Entry: Great reed warbler]
The sound of the great reed warbler (borrowed from the Xeno-Canto website, recordist Dries Van de Loock)
Distribution of the great reed warbler across the British Isles (borrowed from the Bird Atlas Mapstore).