The quagga was a subspecies of the plains zebra that lived in southern Africa and went extinct in the late nineteenth century, with the last known individual dying in an Amsterdam zoo in 1883. What set it apart from other zebras was its unusual coat: bold stripes on the head and neck that faded toward the midsection and gave way to a mostly plain, brownish body and white legs. For over a century, the quagga was treated as a separate species, a distinct kind of equid lost forever. But DNA analysis in the 1980s and subsequent genetic studies upended that idea, revealing that the quagga was genetically almost indistinguishable from living plains zebras. That finding launched one of the most ambitious and controversial breeding experiments in conservation history.
What the Quagga Actually Looked Like
If you have seen a plains zebra in a wildlife documentary, you already have a rough mental image of a quagga, except that you need to erase about half the stripes. The quagga had a dark brown body with a lighter underbelly, and its stripes were strongest on the face and neck. Moving toward the flanks and hindquarters, stripes progressively thinned out and disappeared, replaced by a warm tawny-brown coat. The legs were white or pale and largely unstriped. In some individuals, faint “shadow” stripes were visible on the rump, but in many specimens, the rear half of the body was essentially plain. The mane was striped like the neck, standing upright and stiff in the way typical of zebras.
This combination made the quagga look, to early European settlers and naturalists, like a horse-zebra hybrid or something altogether different from the fully striped zebras to the north. That visual difference was dramatic enough that when scientists formally described the animal in the late 1700s, they classified it as its own species. Its name likely comes from the Khoikhoi word for zebra, an imitation of the animal’s barking call.
Where It Lived and How It Disappeared
Quaggas once roamed in large numbers across the Karoo and grasslands of what is now South Africa. They were gregarious grazers, often seen alongside wildebeest and ostriches, feeding on the open plains in herds that early travelers described as immense. Their range overlapped with Burchell’s zebra populations to the north, and the boundary between the two forms was likely gradual rather than sharp, with intermediate-looking animals in between.
European colonization of the Cape brought intensive hunting and habitat conversion. Settlers shot quaggas for their hides and to clear grazing land for livestock. There was no coordinated effort at conservation, and the animal’s range contracted quickly through the 1800s. By the mid-nineteenth century, wild quaggas had become rare. The last confirmed wild quagga was likely shot in the 1870s, and the final captive individual, a mare, died in the Artis Magistra zoo in Amsterdam on August 12, 1883.1SciELO – Scientific Electronic Library Online. The ecology, extinction and resurrection of the quagga At the time, nobody seemed to recognize the event as the end of the subspecies. The quagga simply slipped away.
Only twenty-three known quagga specimens exist in museums worldwide, as preserved skins, skulls, or mounted displays. A single photograph taken at the London Zoo in the 1870s is the only known image of a living quagga. That scarcity has given the animal an almost mythical status in South Africa, where it has become a symbol of colonial-era wildlife destruction.
Not a Separate Species After All
For most of the twentieth century, the quagga was classified as its own species, Equus quagga, separate from the plains zebra. That changed when researchers began extracting DNA from preserved museum specimens in the 1980s. The quagga became one of the first extinct animals to have its DNA analyzed, and the results were a surprise. Genetically, the quagga was barely distinguishable from the plains zebra.
A study that sequenced DNA from eight quagga specimens and compared them with plains zebra samples found that the quagga displayed very little genetic diversity and had diverged from the plains zebra quite recently, probably during the penultimate glacial maximum, roughly 120,000 to 140,000 years ago.2PubMed Central. A rapid loss of stripes: the evolutionary history of the extinct quagga In evolutionary terms, that is the blink of an eye. The genetic differences between a quagga and a living plains zebra from the same region were no greater than you would find between two populations of plains zebra living in different parts of Africa today.
This led to a reclassification. The quagga is now generally treated as a subspecies of the plains zebra, designated Equus quagga quagga. The plains zebra itself, once called Equus burchellii, has been reclassified as Equus quagga, adopting the quagga’s older species name. So the quagga, somewhat ironically, lends its name to the whole group that survived it. The practical implication of that genetic closeness is what sparked the idea that the quagga’s appearance might be recoverable from living zebras.
Why the Quagga Lost Its Stripes
The question of why zebras have stripes at all has been debated for over a century. Camouflage, thermoregulation, social signaling, and predator confusion have all been proposed. But in recent years, one hypothesis has pulled ahead of the others: stripes deter biting flies, particularly horseflies and tsetse flies, which struggle to land on striped surfaces. A study that compared stripe patterns across equid species and subspecies found that the degree of striping on different body regions correlated strongly with the seasonal activity of biting flies in each animal’s habitat.3Nature Communications. The function of zebra stripes
This finding offers a compelling explanation for the quagga’s unusual coat. Southern South Africa, where quaggas lived, has a cooler, drier climate than the tropical and subtropical regions where fully striped zebras roam. Biting fly populations are significantly lower in that environment. If stripes evolved primarily as insect defense, then animals in areas with fewer biting flies would face less selective pressure to maintain bold striping. Over thousands of generations, quaggas could have gradually shed their rear-body stripes without paying a survival cost, keeping stripes only in the regions where flies tend to attack most, like the face and neck.
The same study found that even among living zebra populations, stripe intensity varies geographically. Populations in regions with heavier fly burdens tend to be more boldly and completely striped, while those in cooler or drier areas show reduced striping on the rump and legs. The quagga, in this view, was simply at the far end of a natural gradient of stripe reduction, not an evolutionary oddity but a predictable outcome of living where it lived.
The Quagga Project
The genetic evidence that the quagga was essentially a plains zebra wearing a different coat pattern gave a South African zoologist named Reinhold Rau an audacious idea. If the quagga’s distinguishing feature was its coat, and if that coat was controlled by genes still circulating in living plains zebra populations, then selective breeding might be able to reassemble the quagga’s appearance. In 1987, Rau launched what became known as the Quagga Project.
The approach was straightforward in concept, even if painstaking in practice. Researchers identified plains zebras from southern African populations that already showed some degree of reduced striping, particularly animals with faded or absent stripes on the hindquarters and legs. These individuals were bred together, and the offspring were assessed for coat pattern. Those with the strongest quagga-like features were selected for the next round of breeding.
After more than two decades of work, the project had produced over 25 third-generation animals, some of which showed a degree of stripe reduction not seen in any of the founding animals and which approximated the striping pattern of at least some known museum quagga specimens.4BioOne. The Quagga Project: Progress Over 20 Years of Selective Breeding These animals, sometimes called “Rau quaggas,” genuinely resemble historical quagga specimens, with strong head and neck stripes, faded flank markings, and plain brown hindquarters. The visual result has been striking enough to attract both public attention and scientific skepticism.
How Breeders Measure “Quagga-ness”
One of the challenges in a project like this is turning a subjective judgment about coat pattern into something measurable and repeatable. Early selection was largely visual, based on experienced observers assessing how “quagga-like” an animal looked. But as the project matured, researchers developed more rigorous methods. A study on the breeding program created a formal selection index based on stripe-pattern ratios calculated from photographs of different body regions. By measuring how much of each body zone was striped versus plain, researchers could assign each animal a numerical score. They also estimated how heritable the stripe reduction trait was by tracking parent-offspring resemblance, which allowed them to predict how much progress each generation of breeding would produce.5South African Journal of Wildlife Research. A genetic index for stripe-pattern reduction in the zebra: the quagga project
The key finding was that stripe reduction is heritable enough that selective breeding can meaningfully shift it across generations. This is not surprising in principle. Domesticated animals have been selectively bred for coat-color traits for millennia, and there is no reason wild equid coat patterns should be any different. What made the Quagga Project unusual was that it was applying livestock-breeding logic to a wild species, with the goal not of producing a useful domestic trait but of resurrecting the appearance of an extinct subspecies.
Is a Rau Quagga Really a Quagga?
This is the question that generates the most debate, and the answer depends entirely on what you think a quagga was. If you define the quagga by its coat pattern, then the Quagga Project is making real progress. Some of the bred animals are visually convincing, matching the stripe patterns seen in preserved skins and the sole photograph. If you define the quagga by its genome, the argument gets more complicated. The selectively bred animals are genetically plains zebras whose coat-pattern genes have been concentrated through breeding. They have not been engineered at the DNA level. They carry no quagga-specific alleles that went extinct; they carry plains zebra alleles that, combined in certain ways, produce a quagga-like look.
The Quagga Project’s justification rests on the genetic evidence that the quagga was conspecific with the plains zebra.4BioOne. The Quagga Project: Progress Over 20 Years of Selective Breeding If quaggas were not a separate species but a regional population of plains zebras that happened to look different, then breeding plains zebras to look like quaggas is not really creating something new. It is re-expressing a variant that was always latent within the species. Think of it like breeding back a particular color of dog from dogs that carry the genes for it. The breed is the appearance, not a fundamentally different animal.
Critics counter that a subspecies is more than a paint job. The original quaggas were shaped by their specific environment over tens of thousands of years. They had behavioral patterns, dietary preferences, and ecological relationships that may have been subtly different from other plains zebra populations. A zebra that looks like a quagga but was born on a breeding farm in the Western Cape and descends from ancestors captured across multiple southern African populations is not the product of that evolutionary history. It is a look-alike, not a revival. Some conservation biologists worry that calling these animals “quaggas” blurs the line between genuine species recovery and something closer to an elaborate breeding experiment.
How the Quagga Project Differs from Other De-Extinction Efforts
The quagga revival is sometimes lumped together with higher-profile de-extinction projects, like efforts to bring back the woolly mammoth or the passenger pigeon. But the methods are fundamentally different. Mammoth de-extinction proposals typically involve genetic engineering: taking the genome of a close living relative and editing in genes from preserved mammoth DNA using tools like CRISPR. The quagga approach uses no genetic engineering at all. It is conventional selective breeding, the same basic technique that produced everything from poodles to Angus cattle.
This matters because it changes both what is achievable and what is being claimed. A genetically engineered “mammoth” would carry actual mammoth DNA sequences that no living elephant has. A Rau quagga carries only plains zebra DNA, arranged in combinations that produce a visual resemblance to a historical animal. The Quagga Project is not reconstructing a lost genome. It is re-sorting existing genetic variation within a living species to mimic an extinct coat phenotype. That distinction is important for how you think about what “de-extinction” means. If you are strict about it, what the Quagga Project is doing is not de-extinction at all; it is selective breeding toward a target appearance. If you take a broader view, it is recovering a form that once existed naturally within the species’ range of variation.
There is also a practical advantage. Selective breeding does not require the enormous technical challenges of cloning or genome editing. It can be done with existing populations, on existing land, with existing veterinary knowledge. The downside is that it can only recover traits that are still present somewhere in the gene pool. If the quagga had any unique genetic adaptations that are not carried by living plains zebras, those are gone, and no amount of breeding will bring them back.
Why Charisma Drives These Projects
The quagga is one of a handful of extinct animals that attracts serious revival interest, and part of the reason is that it is visually striking and culturally resonant. A study that examined why certain species get selected for de-extinction projects found that candidate species are chosen for a variety of reasons, and not all of them are ecological. Factors like animal charisma and personal fascination of the researchers play a significant role, and these dynamics structurally favor charismatic species, possibly at the expense of ones that would be more ecologically valuable to restore.6Environment and Planning E: Nature and Space. Who to revive? Explaining charismatic species bias in the selection of de-extinction candidate species
The quagga fits this pattern well. It is a photogenic animal with a romantic extinction story, a national symbol in South Africa, and the subject of one of the earliest DNA-from-museum-specimens studies. It attracts public interest, media coverage, and donor funding in ways that a lost insect pollinator or an extinct soil microbe never would. That does not make the effort pointless, but it does raise a question about whether the resources going into quagga-like projects produce conservation outcomes proportional to their investment, or whether they are driven partly by what excites people rather than what ecosystems need.
The Quagga Project’s defenders point out that the breeding program is relatively inexpensive compared to high-tech de-extinction proposals, that it keeps public attention on South Africa’s wildlife heritage, and that restoring a quagga-like grazer to the Karoo could eventually have some ecological benefit if the animals are managed as part of broader grassland restoration. Whether Rau quaggas will ever be functionally wild animals, rather than managed populations on reserves, remains an open question that the project has not yet fully answered.
Quagga Specimens and What They Have Taught Us
The twenty-three known quagga specimens scattered across European and South African museums have been surprisingly useful to science, well beyond their role in the breeding project. The quagga was the first extinct animal to have its DNA sequenced, in 1984, when researchers extracted mitochondrial DNA from a dried muscle fragment attached to a museum hide. That work helped pioneer the entire field of ancient DNA research, proving that genetic material could survive in preserved tissues for over a century and be recovered in usable form.
Later studies expanded on this by sequencing DNA from multiple specimens, which revealed just how little genetic variation existed among quaggas. That low diversity is consistent with a population that went through a genetic bottleneck at some point, or one that was always relatively small and geographically restricted.2PubMed Central. A rapid loss of stripes: the evolutionary history of the extinct quagga It also reinforced the idea that the quagga was not a deeply distinct lineage but a recently diverged population, one whose characteristic appearance evolved rapidly during or after a glacial period. The speed of that divergence is itself interesting: it suggests that stripe patterns in equids can change on relatively short evolutionary timescales, which fits with the heritable variation that modern breeders have been able to exploit.
Museum specimens have also helped settle arguments about what the quagga actually looked like. Because the twenty-three known specimens vary in their degree of stripe reduction, with some more fully striped than the classic image, there has been debate about how much individual variation existed within living quagga populations. Some specimens look nearly like a typical plains zebra with slightly faded rear stripes. Others match the familiar image of a half-plain animal. That range of variation matters for the breeding project, because it sets a realistic target. If the original quaggas were themselves variable, then the bred animals do not need to hit a single exact look to qualify as a reasonable facsimile.