Place: Penmon, Anglesey
Date: 5 April 2017.
[Thalasseus sandvicensis, Family Laridae, Order Charadriiformes, Wikipedia Entry: Sandwich tern]
The sound of the sandwich tern (borrowed from the Xeno-Canto website, recordist David Farrow)
Distribution and sightings of the sandwich tern across the British Isles (borrowed and modified from the Bird Atlas Mapstore).
Marnix's Bird Gallery 