China (mainland) (NB) (P), Japan (NB), Kyrgyzstan (P), Mongolia (P), North Korea (NB) (P), Russia (Asian) (B), Russia (Central Asian), South Korea (NB) (P).
Vagrant to Bangladesh (NB), France, Hong Kong (China) (NB), India (NB), Italy, Kazakhstan, Malta, Myanmar (NB), Nepal (NB), Netherlands Antilles, Pakistan, Spain, Svalbard and Jan Mayen Islands, Taiwan (China) (NB), Thailand (NB), Uzbekistan.
Unknown to Afghanistan.
Population
Estimated population is 500,000 - 700,000 (2010) and decreasing.
Baikal Teal (Sibirionetta formosa) [XC380277]
by Albert Lastukhin from Lena Delta -- Ross's Gull breeding island, Sakha Republic, Russian Federation (call)
Baikal Teal (Sibirionetta formosa) [XC674861]
by id from Momskiy Natsional'nyy Ulus, Sakha Republic, Russian Federation (song)