Naturalists, conversationists, nature lovers and bird experts were concerned at the declining number of the friendly species of birds, said noted ornithologist Amarjit Gupta.
Gupta pointed out that the greatest danger to the environment was posed by the mobile towers erected atop buildings as the radiation released from them was affecting the avian creatures.
Stating a study has shown that the presence of this bird was only noticed in those areas located at a safe distance from the towers, he said, a little greenery also provided living and surviving space for sparrows.
According to bird watcher Raminder Singh, it is good news that there has been a campaign in the national capital to give the sparrow the status of a
