About House Sparrow:
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The bird is known to stay close to human habitations. So it is among the most commonly found bird species in urban cities.
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The house sparrow is widespread across the world, inhabiting every continent except Antarctica, and countries like China and Japan.
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It is native to Eurasia and North Africa.
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In India, House Sparrow is found throughout the country. It is found up to the Assam valley and lower parts of the Assam hills. In the eastern Himalayas, the house sparrow species is replaced by the Eurasian tree sparrow.
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Protection:
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State Bird: House Sparrow is the State bird of Bihar and Delhi.
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IUCN Red List: Least Concern
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Causes of Decline:
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The unfriendly architecture of our homes.
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The use of chemical fertilizers in crops.
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Noise pollution.
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Exhaust fumes from vehicles.