breeds central and southern China south to n Myanmar, n Laos and n Vietnam; most of the population migrates south, wintering in Indochina, Thailand, and Myanmar.
Bibliographic Citation: Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9. Downloaded from
http://www.birds.cornell.edu/clementschecklist/download
