White-rumped vulture was completely migratory vulture at Jorbeer, Bikaner. Now it is disappearing from site. After year 2013 no single white-rumped was observed. Maximum of 7 white-rumped vultures recorded in 15 years of research study. The distribution of the species was recorded in 15 villages covering 1584 Square / Kilometer area between Latitude 270 50' North to 280 04' North and 730 04' East to 730 34' East Longitude as home range in Eastern-Southern and South-West part of Bikaner. The spectacular daily activity of white-rumped vulture comprises Feeding 2.72%, Resting 67.42%, Sunning 0.60%, Scratching 0.05%, Disturbance 0.06%, Fighting 0.009% and Flight 27.87% of total day activity. Only one dead vulture and no sick vulture observed during research work. At Jorbeer, feral dogs are main threat for vultures. Medication and effect of any disease was not recorded in vultures.