Thar Desert national average, and overgrazing is also a factor affecting climatic and drought conditions. A large number of farmers in Thar desert depend on animal husbandry for their livelihood. Cows, buffalos, sheep, goats, camels, and oxen consists of major cattle population. Barmer district has the highest cattle population out of which sheep and goats are in majority. Some of the best breeds of bullocks such as Kankrej (Sanchori) and Nagauri are from desert region. Thar region of Rajasthan is the biggest wool-producing area in India. Chokla, Marwari, Jaisalmeri, Magra, Malpuri, Sonadi, Nali and Pungal breeds of sheep are found in the
Thar Desert hemionus khur") in the Rann of Kutch. They have evolved excellent survival strategies, their size is smaller than other similar animals living in different conditions, and they are mainly nocturnal. There are certain other factors responsible for the survival of these animals in the desert. Due to the lack of water in this region, transformation of the grasslands into cropland has been very slow. The protection provided to them by a local community, the Bishnois, is also a factor. Other mammals of the Thar Desert include a subspecies of red fox ("Vulpes vulpes pusilla") and the caracal. The region is