
Tarragon is a unique arid ecosystem and It also called the "The Great Indian Thar Desert” which is situated between 22°30’ N to 32°05’N and 68°05’ E to 75°45’E. It is one of the smallest deserts in the world, but it exhibits a wide variety of habitats and biodiversity. This arid region of Rajasthan has two wildlife sanctuary Desert National Park and Tal Chhapar Wildlife Sanctuary. It is a home to the endangered wild species Great Indian Bustard (Ardeotisnigriceps), Desert Cat (Felissilvestris) and Chinkara (Gazellabennetti) in Rajasthan.But the populations of these wild fauna have been declining within the Thar Desert of Rajasthan over the last few decades due to destruction of habitats, indiscriminate hunting, and increase feral dog, human and livestock population in their habitats and similarly the transformation of desert grassland into agriculture fields under irrigation schemes of Rajeev Ghandhi Canal, drilling for gas and petroleum, mining, stone quarrying, growth of industries, and power projects along with the expansion of roads, putting up electric poles, wind turbines and many remaining grasslands are subjected to high grazing pressure from domestic livestock and intensive harvesting by local communities consequently the Rajasthan’s state bird Great Indian Bustard (GIB) has become enormously rare now. The field survey was conducted January 2009 and December 2011through road and line transects.