The four one-horned endangered rhinos, of which three are females, were translocated from Kaziranga National Park and later released in the Buraburijhar range of Manas yesterday.
With the latest translocation, a total of 16 rhinos have been released into the wild in Manas National Park, under the Rhino Vision programme.
Apart from Kaziranga, rhinos from Pabitora Wildlife Sanctuary, an area which has the highest density of the animals` population, have been taken to Manas.
The Rhino vision programme is a joint collaboration with WWF, the International Rhino Foundation, US Fish and Wildlife Service and Bodoland Territorial Council (BTC) in which Manas reserve exists.
Manas national park, also a tiger reserve, and Kaziranga National Park are two world heritage sites in Assam.