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  3. Sumatran Rhinoceros

One of the 5 rhinoceroses on WAnimals

Sumatran Rhinoceros (Dicerorhinus sumatrensis)

Mammals · Perissodactyla · Rhinocerotidae

Sumatran Rhinoceros

Dicerorhinus sumatrensis

Critically Endangered

At extremely high risk of imminent extinction in the wild.

Spotted something wrong?

The Sumatran rhinoceros is the smallest of the five living rhinos and the only Asian one with two horns. It is also the hairiest: it retains a reddish coat that visually links it to the extinct woolly rhinoceros, its closest relative. It browses leaves, shoots and fruit in dense understorey. Its population, already fragmented into tiny pockets in Sumatra and Borneo, has fallen below fifty animals, and the greatest problem is no longer hunting but that the few survivors cannot find one another to breed.

Weight

500 kg – 960 kg

Size

2.3 m – 3.2 m

Life expectancy

35 years

Diet

Herbivore

Feeds mainly on plants.

Activity

Nocturnal

Active mainly at night.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Sighting difficulty

Very hard

Estimated population

Fewer than 50 individuals

RainforestMountain
3countries4parks4same family

AI-generated images: illustrations, not photographs.

Fun facts

  • anatomíaIt is the smallest living rhinoceros and the only one with two horns and a notable coat of hair, which ties it more closely to the extinct woolly rhinos than to its living relatives.
  • It is the closest living relative of the Pleistocene woolly rhinoceros, and keeps a reddish coat that no other living rhino has.
  • Its main threat is no longer poaching but isolation: the few animals left are so scattered that females go years without meeting a male, and the lack of pregnancies gives them uterine cysts and tumours that eventually leave them infertile.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat and environment
Montane and lowland rainforest of Sumatra and Borneo, with abundant understorey
Sexual maturity
7.5 years
Gestation / incubation
7.8 months
Litter / clutch size
1

Sources consulted: https://es.wikipedia.org/wiki/Dicerorhinus_sumatrensis

Where to find it

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The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented.

Related species

Other species in the catalogue with the most in common with Sumatran Rhinoceros — same habitat, park, country, tags or family.

Same taxonomic family
Shares a park
Shares a park
Shares a park
Shares a park
Shares a park

How to help

The sumatran rhinoceros is classified as critically endangered. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

It's documented in 4 protected areas — one reason why protecting these places matters for its conservation.

Keep exploring

Based on what we already know about sumatran rhinoceros.

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See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano
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CountriesIndonesia
ParksGunung LeuserIndonesia
TagsHerbivore
Herbivore
Nocturnal
Solitary
Critically Endangered
Rainforest
Mountain
Mammal
Indonesia
Malaysia
Myanmar