# White Tiger — Facts, Threats & Conservation

*Panthera tigris tigris (Linnaeus, 1758) — a colour morph, not a subspecies*

> A white tiger is not a separate species or subspecies but a Bengal tiger with a recessive mutation in the SLC45A2 pigmentation gene. All white tigers today are captive, nearly all descend from one male captured in 1951, and producing them requires sustained inbreeding that causes cleft palate, spinal deformity, crossed eyes and immune problems. It has no conservation value.

**IUCN status:** Not a species or subspecies — a captive-bred colour morph with no conservation status  ·  **WARN range:** Captivity worldwide, Historically: Indian subcontinent

## Quick facts
| Fact | Value |
| --- | --- |
| Taxonomic rank | None — a colour variant of the Bengal tiger |
| Gene involved | SLC45A2, a recessive pigmentation variant |
| Albino? | No — stripes and blue eye pigment are retained |
| Wild population | None; last recorded wild individual shot in 1958 |
| Founding animal | Mohan, a male cub captured in Rewa, India, 1951 |
| Breeding method | Sustained close inbreeding |
| Common defects | Strabismus, cleft palate, spinal and hip deformity |
| Zoo policy | AZA prohibits accredited members breeding for white coat colour |
| Conservation value | None — not in any recognised recovery programme |
| Parent subspecies status | Bengal tiger: Endangered on the IUCN Red List |

## Scientific classification
- **Kingdom:** Animalia
- **Phylum:** Chordata
- **Class:** Mammalia
- **Order:** Carnivora
- **Family:** Felidae
- **Genus:** Panthera
- **Species:** Panthera tigris
- **Subspecies:** Panthera tigris tigris — the Bengal tiger
- **Status of 'white tiger':** Colour morph, not a taxonomic rank

## Conservation status
- **Status:** Not applicable — a colour morph has no IUCN assessment
- **Population:** No wild population; captive numbers not authoritatively censused
- **Trend:** Not applicable
- **Assessed:** Not assessed; the parent species Panthera tigris is assessed as Endangered
- **CITES:** Appendix I as Panthera tigris — commercial international trade prohibited
- Treating the white tiger as an endangered animal is the single most common error about it. The Bengal tiger is Endangered. The white morph is a captive-bred variant with no wild population and no conservation programme.

## Key facts: White Tiger
- A white tiger is a colour morph of the Bengal tiger, not a species or subspecies of its own.
- The white coat comes from a recessive variant of the SLC45A2 pigmentation gene, identified in 2013.
- They are not albinos — albinos lack pigment entirely, whereas white tigers keep their stripes.
- There are no white tigers in the wild; the last recorded wild individual was shot in 1958.
- Nearly every captive white tiger descends from one male cub, Mohan, taken from the wild in 1951.
- Producing the recessive coat reliably requires close inbreeding, with documented health consequences.
- White tigers are not part of any tiger conservation programme and breeding them protects no wild population.

## What actually makes a tiger white
In 2013 a research team sequenced white and orange tigers from the same families and traced the coat to a single change in the SLC45A2 gene, which is involved in pigment transport. A single amino-acid substitution blocks the production of red and yellow pigment while leaving black pigment intact.

That is why a white tiger still has stripes. It is also why the term albino is wrong: an albino animal cannot produce melanin at all and has pink eyes from the blood vessels showing through an unpigmented iris. White tigers have pigmented stripes and typically blue eyes.

The variant is recessive. A tiger needs two copies to be white, which means both parents must carry it — and that is where the welfare problem begins.

## One cub in 1951, and everything since
In 1951 a white male cub was captured in Rewa, in what is now Madhya Pradesh, India. He was named Mohan, and he became the founder of the captive white tiger population.

Because the trait is recessive and rare, the way to reliably produce more white cubs from a single founder is to breed him back to his own descendants. That is what was done. The captive white tiger population was built from a very small number of founding animals through repeated close mating — father to daughter, sibling to sibling.

Every white tiger in a zoo, a roadside attraction or a private collection today is the outcome of that programme. They are not a rare wild lineage being preserved. They are a small, deliberately inbred captive line maintained because white cubs draw crowds.

## The cost of the coat
Sustained inbreeding concentrates harmful recessive traits along with the desirable one. In white tigers this shows up consistently and is well recorded:

Crossed eyes (strabismus) are common, and are linked to the same pigmentation pathway — reduced pigment disrupts the normal wiring of the optic nerve. Cleft palate, spinal curvature, hip dysplasia, shortened tendons, kidney problems and immune deficiency all appear at elevated rates. Stillbirths and neonatal deaths are frequent, and many cubs born in white tiger breeding programmes do not survive.

A widely cited consequence is that a substantial proportion of cubs produced in pursuit of a white one are not white at all, and have historically been surplus to a facility's needs. What happens to those animals is the part of the white tiger story that is least often told.

## Why zoos stopped
The Association of Zoos and Aquariums, the main accrediting body for zoos in the United States, moved against the practice and now bars its members from deliberately breeding for white coat colour and similar novelty traits. The reasoning is straightforward: the breeding serves no conservation purpose, it requires inbreeding that harms the animals, and it misleads the public about what tiger conservation involves.

Legitimate tiger conservation breeding works in the opposite direction. It tracks pedigrees specifically to maximise genetic diversity and avoid relatedness, because a captive population is only useful as a genetic reserve if it stays diverse. Breeding for a rare recessive coat does the reverse by design.

White tigers are therefore not merely conservation-neutral. The animals occupy space, funding and public attention that a genuinely endangered tiger population could use.

## What to make of the attractions
White tigers remain a fixture of roadside zoos, private collections and photo-opportunity businesses, often marketed with language about rarity and endangerment. That marketing is where most of the public confusion originates.

If a facility describes a white tiger as an endangered species, or implies that breeding it helps save tigers in the wild, that is a reliable signal about the facility rather than the animal. Cub-petting operations in particular depend on a continuous supply of young animals, which requires continuous breeding, which requires somewhere for the animals to go once they are too large to handle.

The tigers that need help are the roughly wild ones — and Bengal tigers, orange ones, are genuinely Endangered.

## White tiger vs the animals it gets confused with
|  | White tiger | Bengal tiger | Amur (Siberian) tiger | True albino tiger |
| --- | --- | --- | --- | --- |
| Taxonomic rank | Colour morph | Subspecies | Subspecies | Colour morph |
| Stripes | Present, dark | Present, dark | Present, dark | Absent or very faint |
| Eye colour | Usually blue | Amber/yellow | Amber/yellow | Pink |
| Wild population | None | Yes | Yes | None recorded |
| IUCN status | Not assessed | Endangered | Endangered | Not assessed |

## What WARN does
WARN does not fund or promote captive breeding for novelty traits, and we do not link to facilities that market white tigers as an endangered species. Our tiger-related work is directed at wild populations and at the animals that end up in the captive trade — supporting confiscation partners and rehabilitation facilities, and publishing plainly about what the attractions are actually selling.

If this guide helps you understand wildlife and the pressures it faces, a gift to WARN supports habitat protection and free public education in our partner countries.

## Frequently asked questions: White Tiger
### Are white tigers endangered?
No. The white tiger is not a species or subspecies and has no conservation status of its own. It is a colour morph of the Bengal tiger, which is itself Endangered. There are no white tigers in the wild — every one alive today is in captivity — so there is no wild population to protect.

### What is a white tiger?
A Bengal tiger carrying two copies of a recessive variant of the SLC45A2 pigmentation gene, which prevents the production of red and yellow pigment while leaving black pigment intact. The result is a white or cream coat with dark stripes.

### Are white tigers albino?
No. Albino animals produce no melanin at all and have pink eyes. White tigers still produce black pigment — that is why they keep their stripes — and typically have blue eyes. It is a specific pigmentation mutation, not an absence of pigment.

### How many white tigers are left in the world?
There is no authoritative census, and estimates in circulation are unreliable. What is well established is that none are known in the wild — the last recorded wild white tiger was shot in 1958 — and that the captive population descends from a very small number of founders.

### Why are white tigers inbred?
Because the white coat is recessive, both parents must carry the variant for a cub to be white. With very few founding animals, the only reliable way to produce white cubs is to mate close relatives repeatedly. That concentrates other harmful recessive traits at the same time.

### What health problems do white tigers have?
Crossed eyes are common and are linked directly to the pigmentation pathway. Cleft palate, spinal curvature, hip dysplasia, shortened tendons, kidney problems, immune deficiency, stillbirths and high neonatal mortality all occur at elevated rates as a consequence of the inbreeding required to produce them.

### Do white tigers help tiger conservation?
No. They are not part of any recognised conservation breeding programme, and the Association of Zoos and Aquariums bars accredited members from breeding for white coat colour. Genuine conservation breeding maximises genetic diversity; breeding for a rare recessive trait deliberately reduces it.

### Are there white tigers in the wild?
Not today. White cubs did occasionally appear in wild Bengal tiger populations historically, which is how the founding animal was obtained in 1951, but the last confirmed wild white tiger was shot in 1958. A white coat is a serious disadvantage for an ambush predator in tropical forest.

### What is the difference between a white tiger and a snow tiger?
"Snow tiger" is not a scientific term and is used loosely, sometimes for white tigers and sometimes for the Siberian (Amur) tiger. The Amur tiger is a genuine subspecies with a normal orange coat, adapted to cold; the white tiger is a captive colour morph of the Bengal tiger.

## Sources
- [IUCN Red List — Panthera tigris](https://www.iucnredlist.org/search?query=Panthera%20tigris&searchType=species)
- [Xu et al. (2013), 'The genetic basis of white tigers', Current Biology](https://doi.org/10.1016/j.cub.2013.04.054)
- [CITES — Appendices I, II and III](https://cites.org/eng/app/appendices.php)

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Full guide: https://worldanimalrescuenetwork.org/wildlife-guides/white-tiger