![]() There are 72 Javan Rhinoceros left on this planet as per some researches. How many Javan Rhinoceros left in the world? They have fewer vocalizations compared to Sumatran Rhinoceros, also extensive study cannot be conducted as they are difficult to approach as they turn aggressive when approached. There are no natural predators, except for humans for these rhinoceros. Sometimes, they scrap the ground as a form of communication. The Male Javan Rhinoceros mark their territories by urine spraying. They were hunted to extinction in the Malay Peninsula and are now in the list of critically endangered species. The Javan Rhinoceros went extinct in Cambodia during WWII, extinct in India during the early 20 th Century and by end of Vietnam War they were believed to be extinct, however, in the late 1980s, some species were found in Cat Tien area in Vietnam. It is estimated that the Rhinos need approximately 50KG of food daily and similar to other Rhinos’ these also need salt in their diet hence it is noted that they drink seawater for salt intake. ![]() Their primary diet is plants, as they are herbivorous eating various plant species be it shoots, twigs, fallen fruit, or foliage. Their habitat is primarily dense and lowland rainforests, grasslands with proximity to the river. The Javan Rhinoceros currently are over 100 in captive, however, the latest reports are yet to be ascertained and only 1 is wild, they once were found over Java and Sumatra regions spread across India and China. Behind the incisors, there are molars that are mainly used for chewing the food. They have lower incisors which are sharp which are used for fights. The white and greater one-horned rhinos were saved from extinction, and black rhino numbers have also increased, although they are still just a fraction. They have a natural mosaic pattern and have a saddle shape over the shoulder. And this poses a major threat to the survival of all rhino species, particulalry Africa's endangered black rhino and Asia's critically endangered Javan and Sumatran rhinos. The body is hairless, with grey-brown skin folding in the shoulder, back, and rump. In wild they are estimated to live around 30-45 years. The rhinoceros is thought to be 16-18 months pregnant, as is typical of other rhinoceros species. There is no known longevity for Javan rhinos, but they should live between 30 and 40 years. They have a good range of sense of smell and hearing, however, their eyesight is poor. The species that live in Java will become extinct if the population declines. Similar to Indian Rhinos, Javan Rhino’s have single horn (other rhinos have 2 horns) however, the horn of Javan Rhinos are small comparatively which is usually 20cms. ![]() Adult rhinos usually wear around 900-2300 kgs however, accurately it cannot be calculated. The length of the Javan Rhino is around 2 to 4 meters and stood up to a height of 1.4-1.7m. These are the second largest mammals in the Java region after Asiatic Elephants. ![]() The Javan Rhinoceros is smaller compared to their Indian counterparts and it is nearly the size of Black Rhinoceros.
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