Rhinos | Rhinocerotidae

Rhinos, or Rhinocerotidae, are among the few large land animals facing extinction caused by poachers. There are three species–two living in Africa (open areas) and the other in south-central Asia (dense forest, savannah, and shrubby regions). A common feature in all rhinos is their enormous size, one or two horns on their heads, tough skin, and small brains. They are herbivores with small but broad chests, stumpy legs, and elongated skulls. Females give birth to one calf after two years. They are often solitary, but we can see some in groups during grazing or mating.

Why are rhinos endangered?

Most communities in Vietnam and China love trading rhino horns, which they use in folk remedies. This trade has been the biggest threat to rhinos as humans hunted them to get these horns. It is now so difficult for a rhino to survive in a national park. Among the critically endangered rhinos today include black rhinos, Javan rhinos, and Sumatran rhinos.

What do rhinos eat?

What rhinos eat can be determined by the shape of their lips. The white rhino, which has squared lips, is a grazer and often moves with the head lowered on the ground feeding on grass while the black rhino, which has a hooked upper lip, is a browser feeding on leaves.

Can a rhino survive without its horn?

Yes, it can. And dehorning rhinos is a method used to prevent poaching. Unfortunately, in the wild, they might have difficulties since they have nothing to defend their territories, dig for water, break branches, or guide their calves. Even so, rhino horns can still grow after dehorning.

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Rhinos Guides
Browse through our curated Rhinos Guides for additional categorizations, tips, details, variations, styles, and histories of Rhinos. Guides provide additional insights into the unique properties and shared relationships between elements.
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4.9’-6.2’ | 1.5-1.9 m
3’-3.6’ | .9-1.1 m
9.8’-12.3’ | 3-3.75 m
1,764-3,086 lb | 800-1,400 kg
30-50 years
Black Rhinoceros
190.000
110.000
375.000
1400.000
50.00
66000
3D
Black Rhinoceros
5.6’-6.7’ | 1.7-2.05 m
3.6’-4.1’ | 1.1-1.25 m
10.8’-12.5’ | 3.3-3.8 m
3,527-4,850 lb | 1,600-2,200 kg
35-45 years
Indian Rhinoceros
205.000
125.000
380.000
2200.000
45.00
23300
3D
Indian Rhinoceros
4.9’-5.6’ | 1.5-1.7 m
3’-3.3’ | .9-1 m
9.8’-11.2’ | 3-3.4 m
3,307-4,409 lb | 1,500-2,000 kg
30-45 years
Javan Rhinoceros
170.000
100.000
340.000
2000.000
45.00
29700
3D
Javan Rhinoceros
4.4’-5.4’ | 1.35-1.65 m
2.5’-3.1’ | .75-.95 m
7.9’-9.8’ | 2.4-3 m
1,102-2,094 lb | 500-950 kg
30-35 years
Sumatran Rhinoceros
165.000
95.000
300.000
950.000
35.00
18300
3D
Sumatran Rhinoceros
5.7’-7.1’ | 1.75-2.15 m
3.4’-4.3’ | 1.05-1.32 m
11.2’-13.8’ | 3.4-4.2 m
3,968-5,512 lb | 1,800-2,500 kg
35-50 years
White Rhinoceros
215.000
132.000
420.000
2500.000
50.00
133500
3D
White Rhinoceros
Indian Rhinoceros (Rhinoceros unicornis)
Dimensioned comparison drawing of the Indian Rhinoceros compared to simliar Rhinoceros species

The Indian Rhinoceros (Rhinoceros unicornis) is found in India and some parts of Nepal. It is easy to separate from their African relatives by its hide that resembles a natural body armor coat and a short single horn on the snout. It is also called the greater one-horned rhinoceros, Indian rhino, or great Indian rhinoceros. The coat or skin is thick and gray-brown with little body hair. The Indian rhinoceros is the second largest rhinoceros behind white rhinoceros with huge neck folds. Despite its massive size, it is nimble. The lip is fairly broad, suggesting it is a grazer but often becomes a browser during winter when there is little grass.

Indian Rhinoceros' have a total body length between 10.8’-12.5’ (3.3-3.8 m), standing shoulder height of 5.6’-6.7’ (1.7-2.05 m), body width of 3.6’-4.1’ (1.1-1.25 m), and typical weight in the range of 3,527-4,850 lb (1,600-2,200 kg). The horn of the Indian Rhinoceros has a length between 7.9”-23.6” (20-60 cm). Indian Rhinoceros' have lifespans between 35-45 years.

Scaled collection of drawings of Indian Rhinoceros in front and side poses
The Indian Rhinoceros (Rhinoceros unicornis) is found in India and some parts of Nepal. It is easy to separate from their African relatives by its hide that resembles a natural body armor coat and a short single horn on the snout. It is also called the greater one-horned rhinoceros.

Indian Rhinoceros' have a total body length between 10.8’-12.5’ (3.3-3.8 m), standing shoulder height of 5.6’-6.7’ (1.7-2.05 m), body width of 3.6’-4.1’ (1.1-1.25 m), and typical weight in the range of 3,527-4,850 lb (1,600-2,200 kg). The horn of the Indian Rhinoceros has a length between 7.9”-23.6” (20-60 cm). Indian Rhinoceros' have lifespans between 35-45 years.

Scaled collection of drawings of Indian Rhinoceros in front and side poses
Indian Rhinoceros (Rhinoceros unicornis)
Height:
5.6’-6.7’ | 1.7-2.05 m
Width:
3.6’-4.1’ | 1.1-1.25 m
Length:
10.8’-12.5’ | 3.3-3.8 m
Depth:
Weight:
3,527-4,850 lb | 1,600-2,200 kg
Area:

Horn Length: 7.9”-23.6” | 20-60 cm

Scientific Name
Rhinoceros unicornis
Lifespan
35-45 years

Drawings include:

Indian Rhinoceros side elevation, front

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Sumatran Rhinoceros (Dicerorhinus sumatrensis)
Scale illustration of an average Sumatran Rhinoceros compared to other species of Rhino

The smallest rhinoceros in the Rhinocerotidae family is the Sumatran Rhinoceros (Dicerorhinus sumatrensis) found mostly in the Indian subcontinent and southwest China. It is also called the Asian two-horned rhinoceros or hairy rhinoceros, preferring rainforests, cloud forests, and swamps. It has two horns in the snout but is much smaller than those on the African continent. The hide is dark red-brown. There are also patches of a clump of hair along the ears, and the end of the tail. You may also find folds of skin around the neck, before the hind legs, and behind the front legs. It is agile, and an expert climber of steep slopes and riverbanks. The Sumatran rhinoceros is solitary and considered the most vocal among all rhinoceros.

Sumatran Rhinoceros' have a total body length between 7.9’-9.8’ (2.4-3 m), standing shoulder height of 4.4’-5.4’ (1.35-1.65 m), body width of 2.5’-3.1’ (.75-.95 m), and typical weight in the range of 1,102-2,094 lb (500-950 kg). The front horn of the Sumatran Rhinoceros has a length between 9.8”-31.5” (25-80 cm) while the rear horn has a length of 2”-3” (5-7.6 cm). Sumatran Rhinoceros' have lifespans between 30-35 years.

Pair of elevation illustrations of the Sumatran Rhinoceros seen from the side and front
The smallest rhinoceros in the Rhinocerotidae family is the Sumatran Rhinoceros (Dicerorhinus sumatrensis) found mostly in the Indian subcontinent and southwest China. It is also called the Asian two-horned rhinoceros or hairy rhinoceros, preferring rainforests, cloud forests, and swamps.

Sumatran Rhinoceros' have a total body length between 7.9’-9.8’ (2.4-3 m), standing shoulder height of 4.4’-5.4’ (1.35-1.65 m), body width of 2.5’-3.1’ (.75-.95 m), and typical weight in the range of 1,102-2,094 lb (500-950 kg). The front horn of the Sumatran Rhinoceros has a length between 9.8”-31.5” (25-80 cm) while the rear horn has a length of 2”-3” (5-7.6 cm). Sumatran Rhinoceros' have lifespans between 30-35 years.

Pair of elevation illustrations of the Sumatran Rhinoceros seen from the side and front
Sumatran Rhinoceros (Dicerorhinus sumatrensis)
Height:
4.4’-5.4’ | 1.35-1.65 m
Width:
2.5’-3.1’ | .75-.95 m
Length:
7.9’-9.8’ | 2.4-3 m
Depth:
Weight:
1,102-2,094 lb | 500-950 kg
Area:

Horn Length: 9.8”-31.5” | 25-80 cm (Front); 2”-3” | 5-7.6 cm (Rear)

Scientific Name
Dicerorhinus sumatrensis
Lifespan
30-35 years

Drawings include:

Sumatran Rhinoceros side elevation, front

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Javan Rhinoceros (Rhinoceros sondaicus)
Dimensioned comparison drawing of the Javan Rhinoceros compared to simliar species of Rhinoceros

The Javan Rhinoceros (Rhinoceros sondaicus) shares a lot with the Indian rhinoceros, such as one horn, though much smaller, less apparent skin folds, and a smaller head. It is only males that have horns. The skin is dusky gray and is almost the same size as the black rhinoceros. It is also known as the lesser one-horned rhinoceros or Sunda rhinoceros. The Javan Rhinoceros is found in Java, India, China, and Sumatra. The upper lip is long and pointed, showing that it is a browser. It has a good sense of smell and hearing. Besides, it is a solitary animal except during breeding or mothers with calves.

Javan Rhinoceros' have a total body length between 9.8’-11.2’ (3-3.4 m), standing shoulder height of 4.9’-5.6’ (1.5-1.7 m), body width of 3’-3.3’ (.9-1 m), and typical weight in the range of 3,307-4,409 lb (1,500-2,000 kg). The horn of the Javan Rhinoceros has a length between 7.9”-9.8” (20-25 cm). Javan Rhinoceros' have lifespans between 30-45 years.

Set of scaled elevation drawings of the Javan Rhinoceros viewed from the front and side
The Javan Rhinoceros (Rhinoceros sondaicus) shares a lot with the Indian rhinoceros, such as one horn, though much smaller, less apparent skin folds, and a smaller head. It is only males that have horns. The skin is dusky gray and is almost the same size as the black rhinoceros.

Javan Rhinoceros' have a total body length between 9.8’-11.2’ (3-3.4 m), standing shoulder height of 4.9’-5.6’ (1.5-1.7 m), body width of 3’-3.3’ (.9-1 m), and typical weight in the range of 3,307-4,409 lb (1,500-2,000 kg). The horn of the Javan Rhinoceros has a length between 7.9”-9.8” (20-25 cm). Javan Rhinoceros' have lifespans between 30-45 years.

Set of scaled elevation drawings of the Javan Rhinoceros viewed from the front and side
Javan Rhinoceros (Rhinoceros sondaicus)
Height:
4.9’-5.6’ | 1.5-1.7 m
Width:
3’-3.3’ | .9-1 m
Length:
9.8’-11.2’ | 3-3.4 m
Depth:
Weight:
3,307-4,409 lb | 1,500-2,000 kg
Area:

Horn Length: 7.9”-9.8” | 20-25 cm

Scientific Name
Rhinoceros sondaicus
Lifespan
30-45 years

Drawings include:

Javan Rhinoceros side elevation, front

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Black Rhinoceros (Diceros bicornis)
Dimensioned comparison drawing of the Black Rhinoceros compared to simliar Rhino species

The Black Rhinoceros (Diceros bicornis) is gray-colored and not black. It falls under the family Rhinocerotidae, native to eastern and southern Africa. Much of the information we know about it is that it is critically endangered, but as for features, it is identified by the pointing upper lip suggesting that it is a browser. It also has two horns, good senses of smell, hearing, and eyesight. The black rhinoceros is a night feeder and also a wallower. Its skin is thick-layered, offering protection against sharp horns and thorns. Bulls are larger than cows that give birth to live calves. Besides, it is solitary except for females with their calves.

Black Rhinoceros' have a total body length between 9.8’-12.3’ (3-3.75 m), standing shoulder height of 4.9’-6.2’ (1.5-1.9 m), body width of 3’-3.6’ (.9-1.1 m), and a typical weight in the range of 1,764-3,086 lb (800-1,400 kg). The front horn of the Black Rhinoceros has a length between 19.7”-51.2” (50-130 cm) while the rear horn has a length of 7.9”-19.7” (20-50 cm). Black Rhinoceros' have lifespans between 30-50 years.

Set of scaled elevation drawings of the Black Rhinoceros viewed from the front and side
The Black Rhinoceros (Diceros bicornis) is gray-colored and not black. It falls under the family Rhinocerotidae, native to eastern and southern Africa. Much of the information we know about it is that it is critically endangered, but as for features, it is identified by the pointing upper lip.

Black Rhinoceros' have a total body length between 9.8’-12.3’ (3-3.75 m), standing shoulder height of 4.9’-6.2’ (1.5-1.9 m), body width of 3’-3.6’ (.9-1.1 m), and a typical weight in the range of 1,764-3,086 lb (800-1,400 kg). The front horn of the Black Rhinoceros has a length between 19.7”-51.2” (50-130 cm) while the rear horn has a length of 7.9”-19.7” (20-50 cm). Black Rhinoceros' have lifespans between 30-50 years.

Set of scaled elevation drawings of the Black Rhinoceros viewed from the front and side
Black Rhinoceros (Diceros bicornis)
Height:
4.9’-6.2’ | 1.5-1.9 m
Width:
3’-3.6’ | .9-1.1 m
Length:
9.8’-12.3’ | 3-3.75 m
Depth:
Weight:
1,764-3,086 lb | 800-1,400 kg
Area:

Horn Length: 19.7”-51.2” | 50-130 cm (Front); 7.9”-19.7” | 20-50 cm (Rear)

Scientific Name
Diceros bicornis
Lifespan
30-50 years

Drawings include:

Black Rhinoceros side elevation, front

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White Rhinoceros (Ceratotherium simum)
Scale illustration of an average White Rhinoceros compared to other Rhinoceros species

The White Rhinoceros (Ceratotherium simum) is a grazer in the family Rhinocerotidae. It is recognized by its wide or squared mouth, indicating that it is a grazer. This is the second-largest land mammal and the largest in the Rhinocerotidae family. It inhabits eastern and southern grassland habitats and is divided into two species: northern and southern white rhinoceros. The white rhinoceros is very social with territorial males controlling a group of females and their calves. The gray-colored body is massive, head large, chest broad, and neck short. The snout has horn-like growth, with the horn close to the snout being the largest.

White Rhinoceros' have a total body length between 11.2’-13.8’ (3.4-4.2 m), standing shoulder height of 5.7’-7.1’ (1.75-2.15 m), body width of 3.4’-4.3’ (1.05-1.32 m), and a typical weight in the range of 3,968-5,512 lb (1,800-2,500 kg). The front horn of the White Rhinoceros has a length between 37.4”-59” (95-150 cm) while the rear horn has a length of 17.7”-21.7” (45-55 cm). White Rhinoceros' have lifespans between 35-50 years.

Pair of elevation illustrations of the White Rhinoceros seen from the side and front
The White Rhinoceros (Ceratotherium simum) is a grazer in the family Rhinocerotidae. It is recognized by its wide or squared mouth, indicating that it is a grazer. This is the second-largest land mammal and the largest in the Rhinocerotidae family. It inhabits east and southern grassland habitats.

White Rhinoceros' have a total body length between 11.2’-13.8’ (3.4-4.2 m), standing shoulder height of 5.7’-7.1’ (1.75-2.15 m), body width of 3.4’-4.3’ (1.05-1.32 m), and a typical weight in the range of 3,968-5,512 lb (1,800-2,500 kg). The front horn of the White Rhinoceros has a length between 37.4”-59” (95-150 cm) while the rear horn has a length of 17.7”-21.7” (45-55 cm). White Rhinoceros' have lifespans between 35-50 years.

Pair of elevation illustrations of the White Rhinoceros seen from the side and front
White Rhinoceros (Ceratotherium simum)
Height:
5.7’-7.1’ | 1.75-2.15 m
Width:
3.4’-4.3’ | 1.05-1.32 m
Length:
11.2’-13.8’ | 3.4-4.2 m
Depth:
Weight:
3,968-5,512 lb | 1,800-2,500 kg
Area:

Horn Length: 37.4”-59” | 95-150 cm (Front); 17.7”-21.7” | 45-55 cm (Rear)

Scientific Name
Ceratotherium simum
Lifespan
35-50 years

Drawings include:

White Rhinoceros side elevation, front, back, lying down

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