World Sparrow Day: March 20 विश्व चिड़िया दिवस
Chirp for the Sparrow; Tweet for the Sparrow World Sparrow Day 2012 March 20 is being observed as the World House Sparrow Day. The theme (विषय ) for the World Sparrow Day 2012 is ‘Chirp for the Sparrow; Tweet for the Sparrow’. Mohammed Dilavar is called the ‘sparrow man of India’ , as he has been successful in drawing the attention of the world about the declining number of house sparrows. A study conducted by the Andhra University, Visakhapatnam highlighted that population of house sparrows fell by over 60 percent even in rural areas of coastal Andhra Pradesh. A survey conducted by the British Trust for Ornithology showed that house sparrow population in Britain has declined by about 58 percent since 1970. Scientists and experts say that severe changes in the urban ecosystem in recent times have had tremendous impact on the population of house sparrows whose numbers are declining constantly. Mobile tower radiation and excessive use of chemica...