Consider the following description:
It is located in the state of West Bengal, with its northern boundary along the international border with Bhutan. The reserve includes the fragile Terai ecosystem and serves as an international corridor for elephant migration between India and Bhutan. It is connected to Manas Tiger Reserve, Jaldapara National Park, and other forests, and is traversed by the Raidak and Jayanti rivers.
Which of the following does the above description refer to?