Animal diversity of Sundarbans

Animal diversity of Sundarbans

  • Mammalian species- Asian small-clawed Otter, Gangetic Dolphin, Grey and Marsh Mongoose and the wild Rhesus Monkey.
  • Bird species- Osprey, Brahminy Kite, White-Bellied Sea Eagle, Rose-ringed parakeets, flycatchers and kingfishers.
  • Turtles- Olive Ridley and Hawskbill sea turtles and the River Terrapin.
  • Lizards- Monitor Lizards and Geckos.
  • Snakes- King cobra, monocled cobra, Russell’s viper, common and banded kraits.
  • Butterflies, moths, crustaceans like crabs, shrimp and prawns are also found.



  • Anthropogenic pressure and natural threats have led to the shrinking of mangrove swamp habitat, and it has further led to the declining of mammals in Sundarbans.
  • For example:- Barking deer and Hog deer and Asiatic Wild Water Buffalo etc are not found in Sundarbans anymore.



  • It is a vast forest in the coastal region of the Bay of Bengal.
  • The area itself gets its name from the Mangrove trees, Sundari (Heritiera fomes) trees in the region.
  • It is located in the delta region of Padma, Meghna and Brahmaputra river basins.
  • It is the largest single block of tidal halophytic mangrove forest in the world.
  • It covers approximately 10,000 square kilometres of which 60% is in Bangladesh and the remaining in India.
  • It is a UNESCO World Heritage Site.


Zoological Survey of India

  • It is a premier Indian organisation in zoological research and studies, established in 1916 .
  • Its headquarters are at Kolkatta.
  • Its objective is to promote the survey, exploration and research of the fauna in the region.
  • The activities of the ZSI are coordinated by the Conservation and Survey Division under the Ministry of Environment, Forest and Climate Change.
Section : Environment & Ecology