what kind of habitat do Javan Rhino need
1 The optimal habitat of the Javan rhino, with regard to vegetation types, therefore appears to be a mosaic of glades interspersed with patches of forest. 2  This kind of habitat is widely distributed in Ujung Kulon. 3  Mud wallows: Javan rhinos spend up a large part of the day wallowing in mud holes. Weight: Javan rhinos are comparable in size to the African black rhino, though only a few animals have actually been weighed. 2  They typically range between 900 and 2,300 kg. 3  Lifespan: Javan rhinos are estimated to live an average of 35 to 40 years in the wild.