Place: St. James’s Park, London
Date: 2 March 2018.
[Anser indicus, Family Anatidae, Order Anseriformes, Wikipedia Entry: Bar-headed goose]
The sound of the bar-headed goose (borrowed from the Xeno-Canto website, recordist Frank Lambert)
Distribution and sightings of the bar-headed goose across the British Isles (borrowed and modified from the Bird Atlas Mapstore).
Marnix's Bird Gallery 