Context: The dolphin population along Odisha’s coast and in its waterbodies has increased but the number of Irrawaddy dolphins in Chilika lake has fallen.
Irrawaddy dolphins:
Endangered — IUCN
Living in brackish water near coasts, river mouths and in estuaries in South and Southeast Asia
Found in – Ganges, Mekong and Irrawaddy river system
Chilika Lake:
Chilika Lake It is largest coastal lagoon or brackish water lake in India and Asia and second largest lagoon in the world
