The Indian house sparrow

Description:

The use of pesticides and the changing style of house construction from the traditional mud architecture that had crevices letting the birds breed in them, to heavily concretised and glass structures that leave very little space for the birds to breed The population size of this species is very large and is no where near the thresholds for Vulnerable under the population size criterion of IUCN’s red data list (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). Hence it is placed under the Least Concern category. has been cited as a reason for the decline of their population,