By DickDaniels (http://carolinabirds.org/) (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)
Asia. Breeds in SE Siberia, NE and Central China. Spends the winter in eastern and southern China.
Critically Endangered.
NBN Atlas has 13 records as at end Dec 2024. Map Here