Vultures, which had practically become extinct in and around Delhi over the past couple of decades, are making a comeback.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/endangered-egyptian-vultures-spotted-near-delhi
[2] http://admin.indiaenvironmentportal.org.in/category/author/neha-lalchandani
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vulture
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/endangered-species
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/haryana
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecosystems
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scavengers