Big Cats Codexery

Clouded leopard

A wild cat with cloud-like markings and the largest canines proportionally.

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Clouded leopard

Charles Barilleaux from Cincinnati, Ohio, United States of America · CC BY 2.0

The mainland clouded leopard (Neofelis nebulosa) is a wild cat named for its coat: large, dusky-grey blotches and irregular spots and stripes that look like clouds. Its head and body together measure 68.6 to 108 cm (27.0 to 42.5 in), and its tail—used for balance when moving through trees—adds another 61 to 91 cm (24 to 36 in). This cat is the closest relative of all other pantherine cats, splitting from them genetically between 9.32 and 4.47 million years ago. It lives in dense forests stretching from the Himalayan foothills, through Northeast India and Bhutan, across mainland Southeast Asia, and into southern China.

Clouded leopard Neofelis nebulosa
Clouded leopard Neofelis nebulosa. Image: [Frank Wouters], edited by User:julielangford · CC BY 2.0 · Wikimedia Commons

Clouded leopards can climb down vertical tree trunks headfirst, rest in trees during the day, and hunt on the forest floor at night. The wild population is thought to be shrinking, with fewer than 10,000 adults total and no more than 1,000 in any single subpopulation. The species is locally extinct in Singapore and Taiwan, and possibly also in Hainan Island and Vietnam.

Borneo clouded leopard
Borneo clouded leopard. Image: www.photosbypaulo.com · CC BY-SA 3.0 · Wikimedia Commons

Listed as Vulnerable on the IUCN Red List since 2008, it faces threats from large-scale deforestation and commercial poaching for the wildlife trade. Although legally protected in most countries where it lives, its body parts are still sold for decoration and clothing. Clouded leopards have been kept in zoos since the early 1900s, with captive breeding programs starting in the 1980s. In captivity, they live about 11 years on average.

Clouded Leopard
Clouded Leopard. Image: Lee Elvin · CC BY-SA 3.0 · Wikimedia Commons

Scientific classification

  1. KingdomAnimalia
  2. PhylumChordata
  3. InfraclassPlacentalia
  4. OrderCarnivora
  5. FamilyFelidae
  6. GenusNeofelis
  7. SpeciesNeofelis nebulosa

Named by (Griffith, 1821)

Close relatives

Other species of Neofelis with a Codexery entry.

Sources: Wikipedia taxobox: Clouded leopard (CC BY-SA 4.0)

Conservation status

Vulnerable (VU)

  1. LC
  2. NT
  3. VU▲ this species
  4. EN
  5. CR
  6. EW
  7. EX
Population trend
Not held in our sources — see the assessment
Assessment published
2021

Source: IUCN Red List assessment · GBIF copy of the Red List category

How big is it?

Size comparison: Clouded leopard and a personA 0.91 m long clouded leopard drawn to scale next to a 1.8 m tall person. Schematic shapes, not a likeness.0.91 m1.8 m

Largest length in the source, 0.91 m, next to a 1.8 m person.

Diagram: drawn by Codexery, schematic shapes to scale (not a likeness). Length: Wikipedia: Clouded leopard

Where the clouded leopard has been recorded

Where the clouded leopard has been recordedPlaces named in the text; marked places: Northeast India, HimalayasNortheast IndiaHimalayas

85 inland records left out (institution coordinates).

Map: drawn by Codexery. Data: Natural Earth basemap (public domain) · place coordinates: Wikipedia (CC BY-SA 4.0)

Lore & Background

It is the sister taxon to other pantherine cats, having genetically diverged 9.32 to 4.47 million years ago. It can climb down vertical tree trunks head first, rests in trees during the day and hunts by night on the forest floor.

Clouded Leopard (Neofelis nebulosa)
Clouded Leopard (Neofelis nebulosa). Image: Cliff · CC BY 2.0 · Wikimedia Commons

Its hyoid bone is ossified, making it possible to purr, and its pupils contract into vertical slits. Melanistic individuals are uncommon. The clouded leopard is often referred to as a 'modern-day sabre-tooth' because it has the largest canines in proportion to its body size.

Clouded Leopard @ San Diego Zoo - Backstage Pass
Clouded Leopard @ San Diego Zoo - Backstage Pass. Image: Tammy Lo from New York, NY · CC BY 2.0 · Wikimedia Commons

Common Misconceptions (Editorial)

Some people think the clouded leopard is a big cat that roars, but its ossified hyoid bone allows it to purr instead. Others believe it is a close relative of the sabre-toothed tiger, but while it is called a “modern-day sabre-tooth” due to its large canines, it is actually the sister taxon to all other pantherine cats and not directly descended from prehistoric sabre-tooths. Another common misconception is that it primarily stays on the ground; in fact, it rests in trees during the day and hunts by night on the forest floor, and it can even climb down vertical tree trunks head first.

Clouded Leopard Belly (2) NashvilleZoo
Clouded Leopard Belly (2) NashvilleZoo. Image: Charles Barilleaux from Cincinnati, Ohio, United States of America · CC BY 2.0 · Wikimedia Commons

Why It Matters (Editorial)

The clouded leopard endures as a symbol of the elusive and ancient biodiversity of Southeast Asia’s dense forests. Its unique evolutionary position as the sister taxon to all other pantherine cats, combined with its remarkable adaptations like the ability to climb headfirst down trees and its proportionally huge canines, reminds us how much evolutionary wonder still lurks in shrinking wilderness—and how urgently those habitats need protection.

Reader's Guide

The clouded leopard is significant as a distinct evolutionary lineage within the Pantherinae, having diverged millions of years ago. Its unique morphology, including exceptionally long canine teeth and a flexible ankle joint, allows it to be an adept arboreal predator. The species is threatened by large-scale deforestation and commercial poaching for the wildlife trade, with its body parts offered for decoration and clothing.

It is legally protected in most range countries. Captive breeding programs were initiated in the 1980s, and it has been kept in zoological gardens since the early 20th century. The clouded leopard is locally extinct in Singapore and Taiwan, and possibly also in Hainan Island and Vietnam.

More in Big Cats

Test yourself

Three questions drawn from this entry’s sources. Pick an answer to check it.

1. To which genus does the clouded leopard belong?

Correct.

Not quite. The answer is Neofelis.

From the source: “The clouded leopard (Neofelis nebulosa), also called mainland clouded leopard, is a wild cat that has large dusky-grey blotches and irregular spots and stripes reminiscent of clouds.”

2. What is the scientific name of the clouded leopard?

Correct.

Not quite. The answer is Neofelis nebulosa.

From the source: “The clouded leopard (Neofelis nebulosa), also called mainland clouded leopard, is a wild cat that has large dusky-grey blotches and irregular spots and stripes reminiscent of clouds.”

3. In what year was the clouded leopard first scientifically described?

Correct.

Not quite. The answer is 1821.

From the source: “The clouded leopard was first described in 1821 on the basis of a skin of an individual from China.”

Answers checked against the source article

Sources

Compiled from Wikipedia and the sources listed below. Text from Wikipedia is available under CC BY-SA 4.0; this entry is adapted from it.

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