Siwan

History

The Siwan Municipal Council (SMC) was established in 1924. It was the subdivisional headquarters of Siwan subdivision under the old Saran district. It became district headquarters of the Siwan district when it was formed in 1972.

Geography

Siwan city is located at coordinates Latitude and longitude. It is counted in one of the tarai region of Himalaya Mountain range. It has an average elevation of . Daha River, which is a small river, which floods in rainy season pass through the west of the town. The river starts drying up during the summer. The green area in Siwan is about (21%) of its area. The weather of Siwan is generally mild cool throughout the year and temperature falls down up to 4 °C in December and January but it is warm in May, June and July. This climate is considered to be Cwa according to the Köppen-Geiger climate classification. }}

Most-observed species

• Indian Pond-Heron

  Ardeola grayii (Sykes, 1832) · Aves
  3
• Common Castor

  Ariadne merione (Cramer, 1779) · Insecta
  3
• Spotted dove

  Spilopelia chinensis (Scopoli, 1786) · Aves
  3
• Common Evening Brown

  Melanitis leda Linnaeus, 1758 · Insecta
  2
• Indian Roller

  Coracias benghalensis (Linnaeus, 1758) · Aves
  2
• Asian Palm-Swift

  Cypsiurus balasiensis (J.E.Gray, 1829) · Aves
  2
• Large-billed Crow

  Corvus macrorhynchos Wagler, 1827 · Aves
  2
• Common Myna

  Acridotheres tristis (Linnaeus, 1766) · Aves
  2

Most recent

• M 3.9 — 2002-07-02
  10 km N of Bettiah, India