Javan Rhino (Rhinoceros sondaicus) lives in rainforest across Southeast Asia. It feeds on leaves and fruits. Its conservation status is Critically Endangered.
Fascinating facts about the Javan Rhino
- Around 74 individuals survive in a single protected enclave, Ujung Kulon National Park, making the Javan rhino the rarest large mammal on Earth. Poachers value each kilogram of its horn at up to US$30,000, a price that fuels illegal hunting and threatens the entire gene pool. With only one wild population, any loss instantly shrinks global numbers, pushing the species toward an irreversible genetic bottleneck.
- Bulls roam territories of 12-20 km² while cows use 3-14 km². They rarely dig their own mud wallows, preferring to enlarge existing pits with their short horn. These solitary, scent-based habits also make them hard to locate for researchers, complicating conservation monitoring.
- All 70-plus Javan rhinos live on a coastal peninsula that sits just 50 km from the erupting Anak Krakatau volcano; a single tsunami or volcanic blast could wipe out the entire species. Conservationists therefore push for a second refuge, because concentrating every remaining individual in one disaster-prone zone makes extinction a matter of chance, not biology.
- Only a single horn, usually under 25 cm, crowns a body just 3.1-3.2 m long and weighing about 2,300 kg, smaller than its Indian cousin.
- A Javan rhino can live 30-45 years, but reproduces only every 4-5 years after a 16-month gestation, and calves stay with mothers for up to two years.
Sources
Every fact above was checked against these pages, and kept only where one of them states it.
At a glance
RangeSoutheast Asia
HabitatRainforest
DietLeaves and fruits
About the Javan Rhino
In the mist-shrouded forests of Ujung Kulon, the Javan Rhino moves with deliberate slowness, its grey hide blending seamlessly into the dappled undergrowth as it navigates the dense, vine-tangled terrain with a quiet confidence. With each gentle step, the soft earth yields to the weight of its massive, armoured body, a testament to the enduring power of this most elusive of creatures. As it disappears into the shadows, the rustle of leaves and snapping of twigs serve as a poignant reminder of the fragile, fleeting presence of this endangered giant in a world where its very existence hangs precariously in the balance.
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