KATHMANDU: The population of Gangetic dolphins in the Saptakoshi River, which flows through the Koshi Wildlife Reserve, has increased this year, according to a recent census.
The dolphin count was conducted over four days, from June 1 to 4, and the results were released on June 5, coinciding with World Environment Day. The census recorded a total of 22 dolphins—15 adults, five semi-adults, and two calves—marking an increase of three dolphins compared to last year’s figure of 19.
Senior Conservation Officer Bhupendra Prasad Yadav of the Reserve described the increase as a positive sign for dolphin conservation. “The rise in dolphin numbers reflects ongoing efforts and improvements in habitat protection,” he said.
The Gangetic dolphin—a rare and endangered freshwater species—is known for its intelligence and preference for clean, deep river waters. These dolphins are considered an indicator species, meaning their presence signifies the overall health of a river ecosystem.
The conservation of dolphins in the Saptakoshi has been a priority since 2012, when the population was first officially documented at 11 individuals. That number rose to 17 in 2017, and various protective measures have since been implemented.
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