This video, in Portuguese, is called The Gaur. The largest wild bull of the world (1.984 to 3.747 pounds / 900kg-1.700kg).
Thanh Hoa works to conserve endangered animals, plants
10:48′ 05/11/2007 (GMT+7)
VietNamNet Bridge – The central province of Thanh Hoa has decided to dole out close to VND 1.9 billion to preserve endangered animals and plants in its nature reserves from now until 2010.
Of the funding, over VND 591 million will be spent on the conservation of [gaur] wild bulls (Bos gaurus) in the Bu Hu Nature Reserve and more than VND 592 million on the protection of a white-rumped langur (Trachypithecus delacouri) in the Pu Luong Nature Reserve.