Mahakalapada: Rapid urbanization, coupled with climate change, environmental imbalance, natural disasters and deforestation, has drastically altered the habitat of house sparrows in areas under ...

The cheery and sociable house sparrow is more closely associated with ... On freshly molted (nonbreeding) bird, the blackish and reddish regions obscured by gray feather tips.

By summer, after the adult birds have worked hard to raise their ... in part on his ability to croon new songs. Hear the sound of the song sparrow's song.