Bangladesh (B), Bhutan (B), China (mainland) (B), India (B), Iran [Islamic Republic of] (NB), Iraq (NB), Kazakhstan (B), Kyrgyzstan (P), Mongolia (B), Myanmar (B), Nepal (NB) (P), Pakistan (B), Russia (Asian) (B), Russia (Central Asian), Tajikistan (B), Turkmenistan (P), Uzbekistan (B).
Vagrant to Afghanistan, Cambodia (NB), Finland, Israel (NB), Netherlands Antilles, Norway, Oman (NB), Saudi Arabia (NB), Thailand (E), Ukraine, United Arab Emirates.
Central and southern Asia, from Kazakhstan (possibly extinct) to Mongolia and north-eastern China, south to Pakistan, northern India, Burma and south-central China (Sichuan).
 
Population
Estimated population is 2,500 - 9,999 (2010) and decreasing.