Which state for the first time has undertaken census of otters?

Uttar Pradesh for the first time has undertaken census of otters in protected areas of the state. The census exercise was started from Pilibhit Tiger Reserve (PTR) and will be completed by end of March 2019 covering all protected areas of state. Otter It is important part species (mammal) of forest ecosystem. It spends much of its time in or close to water bodies. It lives on fish. Its den is known as holt and it is close to water bodies. Its thriving population indicates healthy river ecosystem and water bodies are pollution-free. Three species of otters are found in India. It is classified as vulnerable species on IUCN Red List of Threatened Species.