Place: Cardiff Bay, Cardiff
Dates: 5 January 2017.
Place: Llandegfedd reservoir, Monmouthshire
Dates: 27 April 2017.
Place: Hyde Park, London
Dates: 7 July 2017.
[Podiceps cristatus, Family Podicipedidae, Order Podicipediformes, Wikipedia Entry: Great crested grebe]
The sound of the great crested grebe (borrowed from the Xeno-Canto website, recordist Marco Dragonetti)
Distribution and sightings of the great crested grebe across the British Isles (borrowed and modified from the Bird Atlas Mapstore).