A survey of Red-headed Vulture Sarcogyps calvus vultures was carried out in 23 districts of Rajasthan, covering the Thar Desert, Aravalli Hills and Vindhya Hills from July 2004 to July 2007. Nov-Dec 2007
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/sightings-and-nesting-sites-red-headed-vulture-sarcogyps-calvus-rajasthan-india
[2] http://admin.indiaenvironmentportal.org.in/category/author/anil-kumar-chhangani
[3] http://admin.indiaenvironmentportal.org.in/category/journal/indian-birds
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/endangered-species
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vulture
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rajasthan
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/statistics