Afghanistan, Bangladesh, Bhutan, China, India, Kazakhstan, Mongolia, Myanmar, Nepal, Pakistan, Russia, Tajikistan, Thailand, Uzbekistan, Viet Nam.
Mainly herbivore. Grasses, roots, stems and green parts of plants and sedges, grain, tubers and other vegetables, seaweeds, berries, small insects (in water) and small crustaceans.
Habitat: variety of wetlands in highland plateaux (4000-5300m altitude). Winters in lowland swamps, lakes and rivers.
Incubation: 27-30 days / 4-6 eggs
Social structure: Pairs, harem groups (1 males with up to 5 females), colonies of up to 1000 pairs.
Weight: 3kg max
Lifespan: 20 years
Estimated population in the wild: decreasing
Threats: There are no major threats to this species.
IUCN Status: Least concern
Did you know that:
They have been reported on migration at 9000–10,000 m over the Himalayas
Like other waterfowl they can also see in the ultraviolet spectrum of light.