Tal Chappar Sanctuary in Churu district is famous for black-bucks. It is a flat saline depression, has a unique ecosystem. It is situated in North-Western Rajasthan and thus lies on the way of the migratory passage of many birds. The most spectacular migration seen from here is that of harries. These birds pass through this area during the month of September.Montagur’s and marsh harrier are more common, while pale harrier and ben harrier are found in lesser numbers. Besides these imperial eagle, tawny eagle, short toed eagle, sparrow hawk are common here. The other birds commonly seen here are skylark, crested lark, ring drove, brown dove, blue jay, green bee eaters, black ibis and demoiselle cranes which stay there till March.