A study on the behavior and colonization of translocated Greater One-horned Rhinos Rhinoceros unicornis (Mammalia: Perissodactyla: Rhinocerotidae) during 90 days from their release at Manas National Park, Assam India

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Deba Kumar Dutta
Rita Mahanta


Under the Indian Rhino Vision 2020, 18 wild Greater One-horned Rhinos Rhinoceros unicornis were translocated from two rhino bearing areas, Kaziranga National Park and Pobitora Wildlife Sanctuary to Manas National Park within the state of Assam, from 2008 to 2012. Following the release, the rhinos were closely monitored through radio tracking and direct observation to record their colonization pattern and behavioral adaptation to the new environment. Out of the 18 rhinos released at Manas, 16 (89%) rhinos dispersed in approximately the same direction from the release sites. The rhinos released from Pobitora Wildlife Sanctuary strayed more when compared to the rhinos from Kaziranga National Park. This paper describes the behavior patterns observed in Manas National Park, which may provide a useful alternative approach for future rhino translocation.

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Author Biographies

Deba Kumar Dutta, WWF‐India, Parvati Nagar, P.O. Tezpur, Assam 784001, India

Deba Kumar Dutta is a senior project officer of WWF-India and has been providing technical support on rhino monitoring and research activities to translocated rhinos at Manas National Park since the year 2008. He is also an IUCN-AsRSG (Asian Rhino Specialist Group) accredited instructor in monitoring the greater One-Horned Rhino (GoH).

Rita Mahanta, Associate Professor (Retd.), Department of Zoology, Cotton College, Guwahati, Assam 781001, India

Dr. Rita Mahanta is a retired Associate Professor, Department of Zoology, Cotton College, Guwahati, Assam. Under her, 16 research scholars have completed their PhD research. She has published more than 45 scientific research papers. She was the ex-coordinator of the Department of Bio-Technology (DBT) sponsored Bio informatics Centre & Bio-technology Hub of Cotton College, Guwahati, Assam.


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