Place: Sheringham, Norfolk
Date: 30 September 2021.
[Larus marinus, Family Laridae, Order Charadriiformes, Wikipedia Entry: Great black-backed gull]
The sound of the great black-backed gull (borrowed from the Xeno-Canto website, recordist Stuart Fisher)
Distribution and sightings of the great black-backed gull across the British Isles (borrowed and modified from the Bird Atlas Mapstore).










