Distribusi
Breeding regions are AF, PAL, OR, AU. Breeding subregions are w Europe, sw Russia, c Asia, Mongolia to se Russia, Japan, e China, Taiwan and Vietnam; n, w Africa; Persian Gulf and Iraq to Indus Valley (Pakistan) and Gangetic Plain (nc India); Sri Lanka; Gulf of Thailand, Malay Pen., Singapore, and islands off Greater Sundas; off New Britain (se Bismarck Arch.), Bougainville (n Solomon Is.); coastal nw, n, e, se Australia and Tasmania; and Saipan (s Northern Mariana Is., nw Micronesia).
Sumber: IOC World Bird List, v