Gajner Wildlife Sanctuary is located at a distance of about from Bikaner. In former times, it was a hunting ground for the Maharajah of Bikaner. There is a lake in this sanctuary and a variety of animals come here to quench their thirst in summer. This is one of the proposed forests for the reintroduction of cheetahs in India.
The lake in the wildlife sanctuary draws a variety of bird species. The residential species include wildfowl, deer, antelope, nilgai, chinkara, black buck, desert fox and wild boar. The minimum temperature ranges from -1ðC to 2.6ðC, with an average of 0.97ðC. The maximum temperature ranges from 43ðC to 47.7ðC, averaging 46.4ðC.