IMPACT OF URBANIZATION ON THE NEST SELECTION BY THE HOUSE SPARROW, PASSER DOMESTICUSBALAJI SUNDARAMAHALINGAM AND BASKARAN SOMASUNDARAM
Reducing the rate of biodiversity loss and averting dangerous biodiversity change are international goals, reasserted by the Aichi Targets for 2020 by Parties to the United Nations (UN) Convention on Biological Diversity (CBD) after the failure to meet the 2010 target. Researchers have reported higher diversity and density of birds in urban areas than in natural areas, decreased naturally when the avian communities dominated by any one or few species. The present survey was carried out to assess the impact of urbanization on the nest site selection by the house sparrow population in 120 places of selected rural, sub-urban and urban areas of Virudhunagar District, Tamil Nadu. It was found that the house sparrow prefer to select their nesting alongside the olden storey buildings of human habitation which were still prevailing in the rural areas of study sites. For the first time to report that the house sparrow, Passer domesticus has begins to selecting its nesting sites apart from the human habitation under the National Highway roads due to the absence of nesting sites in the modern storey buildings of urban areas.
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