Dolphin numbers in Chambal river in India’s Madhya Pradesh state has risen to 71 from 66, according to a census by the state forest department. However, there were no dolphin sightings in Son and Ken rivers.
“National Chambal Gharial Wildlife Sanctuary ranger Rishi Kesh Sharma, while quoting from the 2014-15 census report (released today), said in 2013-14 Chambal had 66 dolphins. Son, a tributary of Ganga, and Ken, a tributary of Yamuna, have not shown presence of these cetacean mammals at least in the last two years. The two rivers had 10 and 7 dolphins respectively in 1998.
“They are also found, among others, in Ganga, Yamuna and Brahmaputra rivers, Sharma said, adding that the country has around 2,000 dolphins in various rivers.”