The Delhi Government’s initiative to revive the population of the house sparrow is yet to yield results as bigger birds-pigeons and mynahs are creating hindrances.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/pigeons-mynahs-elbowing-sparrows-out-city-experts
[2] http://admin.indiaenvironmentportal.org.in/category/author/rohinee-singh
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/pioneer-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sparrow
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife