these groups of 30 to 35 men and women from Kolkata as well as other towns in south Bengal hire boats for a merry cruise down rivers and canals that meander through the estuarine delta.

Kolkata: In the first comprehensive study on Irrawaddy dolphins — estuarine dolphins that are more salt-tolerant — in the Indian Sundarbans, researchers found that the delta harbours 108 of ...

The Sundarbans mangrove forest, one of the largest such forests in the world (140,000 ha), lies on the delta of the Ganges ... the Bengal tiger and other threatened species such as the estuarine ...