World Sparrow Day: Where have they all gone?

March 20 is marked as World Sparrow Day to help raise awareness about house sparrow, the threat to the species, and to appreciate the beauty of the biodiversity around us which we so often take for granted

House sparrow

The house sparrow is a bird of the sparrow family Passeridae, found in most parts of the world

(Photograph:Zee News Network)

Seed dispersing agent

It feeds mostly on the seeds of grains and weeds. The decrease in its number can lead to problems in seed dispersal leading to competition among growing plants


Social bird

The house sparrow is closely associated with human habitation and cultivation. It is said to be a very social bird



A study found that industrial and traffic noise can make it difficult for adult sparrows to hear their young, which results in them not being fed


Polluted environment

The widespread loss of habitat and excessive insecticide usage has taken away their mode of subsistence. Additionally, air and water pollution have also contributed to their plummeting numbers


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