- Eurasian bittern (Great Bittern)
- Botaurus stellaris Linnaeus, 1758
- Ciconiiformes- Ardeidae
- Усны бухшувуу
Body length: 69-81 cm
Wing span: 100-130 cm
Breeding season: May-August
Egg number: 4-6 (occasionally
Egg color: Non-glossy olive
brown with darker brown fine sprinkles.
Brood: 1 per year
Food: Fishes, amphibians and
Status: Rare species. According to the IUCN Red List categories and
criteria, the species evaluated as-Near Threatened.
Distribution and Range: Distribution range stretches from the Western Europe in the west
to Sakhalin and Japanese islands in the east, from Tundra zone in the north to
Southern tip of Africa. Wintering area are Mediterranean Sea, Eastern and
Central Africa, India, Myanmar, and Southeastern China. In Mongolia: breeds in
most large and small lakes, i.e, Orog Boontsagaan, Dorgon, Khar, Khar Us,
Airag, Uvs, Khovsgol, Buir, Tashgain Tavan Nuur Lakes and Zavkhan, Khovd,
Orkhon, Selenge, Tuul, Kherlen, Onon, Ulz, Khalkh, Nomrog, Degee, and Azarga
Habitat: Lake shores and river banks covered by densely vegetation like
reeds and other plants.
Population and Threats: Degradation of habitat due to long lasted drought, overgrazing of
pasture along the lake shores, disturbance, of nesting sites and dry out of
Conservation Measures: Included as Rare animal in the Annex to the Mongolian Government
Resolution #7 (2012). Some parts of distribution area is included within the
Further Actions: Restrict disruptions at breeding sites, establish lakes and
rivers protected zones, forbid, livestock grazing; include in the appropriate
international convention appendix, annexes, improve the conservation management
In the NSPAN, assess population abundance.