The Chhilchhila Wildlife Sanctuary (CWS) is located in the Kurukshetra district of Haryana and is spread over an area of 28.92 hectares. According to a local legend, the lake in the sanctuary had an ancient link during the epic Mahabharata days when the Pandavas escaped to Haridwar through a tunnel under the lake. It is home to blue peafowl, rufous treepie, greater coucal, Indian grey hornbill and coppersmith barbet.