Fighting between males is often a cause of death when population densities are high. Approximately 10 vocalizations are known for rhinos, including snorts, roars, and honks. Habitat Alluvial plain is the primary and preferred habitat. Adjacent swamp and forest areas are also used. The horn is used as a medicine and an aphrodesiac.
Medicinal purposes are as a pain reliever and a fever suppressant.
There are no scientific studies, however, that show that rhino horn is affective for any of these purposes. Negative Rhinos have been know to injure crops by trampling and consumption. At one point, a government bounty was established to keep rhinos from ruining tea plantations. Rhinoceros unicornis is severely threated by hunting activities due to the huge economic value of the horn. Current projects are underway to reintroduced populations in areas where they have been extirpated.