By Francis C. Franklin (Own work) [CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons
Asia. Breeds in northern China and neighbouring countries and N Japan and winters S Japan, Korea, eastern China to N India.
Near Threatened
NBN atlas has 198 records as at end 2024. Map Here.
The BOURC 39th report commemced a review by stable isotope analysis of a drake shot on Shapinsay, Orkney in November 2000.
The 49th (October 2018) Report was undecided as to whether the species should go into category A or E. (BOURC 49th Report)
Two Nottinghamshire records, both males and both considered escapes at Lound in 1985 and Colwick/Holme Pierrepont in 1998.