Question

List the possible reasons for the decline in the sparrow population​

Answer 1

The possible reasons for the decline in the sparrow population would be rising pollution, deforestation, microwave towers, modern infrastructure, and excess use of pesticides.

Explanation:

Lately, a significant fall has been observed in the sparrow population and some of the major reasons for this fall include:

1). The rise in pollution and continuous deforestation of trees has led to a significant decrease in the shrub vegetation area which is the major habitat of sparrows.

2). Microwaves released from cell phone towers are badly affecting the mental and physical health of the birds.

3). The modern infrastructure has left no space for the birds to build nests and accommodate themselves.

4). The excessive use of pesticides has added flames to the fire as they are not even left with enough food to survive.

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Answer 2

Answer:

Possible reasons for House Sparrow decline

There are a number of possible reasons for the decline seen in House Sparrow populations within urbanized landscapes. These include:

Reduction in the availability of favoured food, either for adults or chicks or both.

Increased levels of pollution.

Loss of suitable nesting sites.

Increased prevalence of disease.

Increased levels of predation.