GOLAGHAT: Sparrows are disappearing from many parts of the country, especially in Assam, where electro-magnetic radiation from communication towers, use of leaded petrol in vehicles and overuse of chemicals and pesticides in agriculture have been cited as primary causes of their disappearance by scientists.

The chief scientist of the Regional Agriculture Research Centre in Lakhimpur, Dr Prabal Saikia, said, “It is a fact that sparrows are becoming scarce throughout Assam - both house and tree sparrows.