An estimated 114 species of migratory birds have visited the Chilika lake from the Caspian region, Lake Baikal, Russia and South Eastern parts Himalayas this winter to feed and breed, according to the State Forest and Environment Department sources. Besides, 74 species of birds have made their short stay in the Bhitarakanika National Park and about 24 species of migratory birds have been found in the Hirakud reservoir area this season, sources said. Since the birds belonging to rare species are visiting the Chilika lake, 21 protection camps and observatories have been set up by the Chilika Development Authority in and around the lake for the safety of the winged visitors, added sources .