Bhitarkanika National park is located in the Brahmani delta in the east of Orissa. The area is intersected by a network of tidol creeks & rivulets. Dangamal is a crocodile breeding Farm, the pride possession of this Farm is the white crocodile Sankhua,a rare species in the world. Bahagahan is to see the birds of different countries chirping and nestling here in large quantity. Gahirmatha is another amazing phenomenon of nature here which is visited by Olive Ridley Sea Turtles in Lakh every year between January and March to Lay eggs en masse. The sanctuary holds the richest mangrove vegetation in India with 3 spices of Heretiera, 4 species of Avicennia, 3 Spices of Rhizophora, 4 species of Mangrove, flourishing in the sanctuary, out of 58 species, so far recorded in India. The Coastal sand duner is covered by casuarinas plantations.
Reptiles are the dominant species. The salt water crocodile is the top predator. The sanctuary holds the largest crocodile up to 22 feet long. The other common reptiles are 3 species of Monitor Lizards including Varanus Salvator,King Kobra, Python, Banded Kraits and water snakes. Other animals are panther,l eopard, Dolphin,fishing cat, Hyena, Orters, Porcupine, wild pig, Sambar(Introduced and naturalized)chital, and thesus monkey. Sanctuary is rich with aviana fauna like white lbis, Gees, Grebes, Gulls, Terns, Plovers, Sand Pipers, Storks, White Bellied Sea Eagle. Kite, Flower pecker, Whistling Teal, Brahmany Duck etc. It holds one of the largest heroinaries of the East Coast. Large number of Migratory birds including maximum number of Bar Headed Geese’s settles in the wetlands & mud flats for wintering .One can find over 170 species of residents and migratory birds here. It is considered to be the largest rookery for the Pacific Ridley Sea Turtles. The coastal sand serves as the nesting ground of millions of Olive Ridley Sea Turtles, which stay from November through April each year. The annual nesting of sea Turtles occurs sometimes in the 1st week of January.