Buffalo Hill (Hong Kong) can be identified by its uniquely shaped Buffalo's head peak. Eight valleys associated with six streams lie around the slope of the hill. The biggest stream and valley flows along the north-eastern slope of Buffalo Hill and into the Shing Mun River. The entire hill is composed of exposed basalt rock, with some smaller granite deposits also present. The peak of Buffalo Hill is covered by grass and small shrubs, while the valleys are lush with forests. Different types of grass, including Couch grass, Bermuda Grass, Manila Grass and annual bluegrass, grow on the slopes of the hill, while the
Water buffalo of "Bubalus" species implies that the domestic buffalo originated from at least two populations, and that the river and the swamp types have differentiated at the full species level. The genetic distance between the two types is so large that a divergence time of about 1.7 million years has been suggested. The swamp type was noticed to have the closest relationship with the tamaraw. By 2011, the global water buffalo population was about 172 million head. More than 95.8% of the world population of water buffalo are kept in Asia, including both river and swamp types. The water buffalo population