Recently, the zoo has revived its innovative ‘ Adopt-An-Animal ’ program to mobilise resources for animals . Nandankanan Zoological Park is a premier large zoo in India. Unlike other zoos in the country, Nandankanan is built right inside the forest and set ina completely natural environment . Adjacent to Chandaka-Dampara Wildlife Sanctuary . It is the only zoological park in India to become an institutional member of the World Association of Zoos and Aquarium (WAZA) . The uniqueness of Nandankanan Zoological Park : It is the first zoo in the World to breed White tiger and Melanistic tiger. It is the only conservation breeding centre of Indian Pangolins in the world. It is the only zoo in India after which an express train Puri-New Delhi express has been named as "Nandankanan Express". It is the first zoo in India where endangered Ratel was born in captivity. It is the only zoo in India to have an Open-top Leopard Enclosure. It is the second-largest heronry for Open Billed Storks in Odisha