During the study period from July, 2004 to July, 2008, a total of 5735 vultures of seven different species were recorded in different geographical regions of Rajasthan. Their presence near the carcass dumping grounds in villages, towns and cities in common.

Populations and diversity of major species of concern in the park has provided somewhat robust. Several species, especially antelope, chinkara and sambhar are at critical risk. Maintenance of biodiversity at the Kumbhalgarh Wildlife Sanctuary is made difficult by a range of forces, including forest degradation, grazing, road accidents, forest fire and diseases.

An extensive survey was carried out to locate breeding colonies and nests of vultures in Rajasthan. A total of 5,080 vultures of 7 different species were counted in 23 districts of Rajasthan.

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