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After the dire wolf, Colossal Biosciences sets its sights on bringing back an antelope extinct since 1777

After the dire wolf, Colossal Biosciences sets its sights on bringing back an antelope extinct since 1777
Image Credit: Colossal Biosciences

Colossal Biosciences, the biotech company behind this year’s headline-grabbing birth of three dire wolf pups, has announced its next de-extinction target: the bluebuck, a silver-coated South African antelope driven to extinction around 1777. Scientists consider the bluebuck one of the first large mammals known to have been wiped out by modern human activity — and Colossal says it intends to bring it back.

The announcement marks the company’s sixth de-extinction project and its first focused on African wildlife. The stated goal is not simply to recreate the animal in a laboratory, but to eventually reintroduce a living population to the Southern African grasslands where the species once thrived.

What Was the Bluebuck?

The bluebuck, or Hippotragus leucophaeus, was a distinctive animal. Unlike its antelope relatives, it carried a shimmering silver blue-gray coat, unusual facial markings, and curved horns — a combination that made it immediately recognizable and, ultimately, a target.

It was also ecologically significant. The bluebuck grazed heavily on vegetation, generating manure that spread seed across the landscape and supported plant germination. Lions and leopards depended on it as prey. When the species disappeared, that functional niche in the ecosystem went with it.

How It Went Extinct — and Why That Makes It Symbolic

The bluebuck’s extinction unfolded quickly. As European settlers moved into Southern Africa in the late 18th century, they converted the antelope’s grassland habitat into farmland and forest, and hunted it aggressively, viewing it as competition for cattle grazing.

In a company announcement video, Colossal’s chief animal officer Matt James noted that the bluebuck vanished just 34 years after being formally described by scientists — making it one of the earliest documented cases of a large mammal driven to extinction by human encroachment. That history, James said, is central to why Colossal chose it: “It’s our responsibility to correct that.”

The Science: Museum Bones to Living Animal

Colossal’s scientists extracted DNA from museum specimens of the bluebuck and sequenced the genome at 40x coverage — meaning the genetic code was read 40 times over, producing a high-confidence blueprint of the species. Three additional well-preserved samples are being processed to strengthen that reference genome.

The roan antelope, a living relative, has been selected as both the genomic donor and the surrogate species for embryo development. Researchers are conducting monthly egg retrieval procedures on female roan antelopes to maintain a steady supply for in vitro fertilization. According to Colossal, successfully extracting a single egg from a roan antelope was itself a scientific first.

What Success Would Mean for Southern Africa

Colossal frames the project as a conservation play as much as a scientific one. Reintroducing the bluebuck, the company argues, could serve as an anchor for broader grassland habitat restoration across a region heavily altered by agriculture and development. The ecological “umbrella effect,” as one researcher described it in the announcement video, could benefit plant and animal species well beyond the antelope itself.

The reproductive techniques developed for the bluebuck are also expected to carry over to conservation breeding programs for other endangered ungulates — meaning the science has potential value regardless of whether the de-extinction itself fully succeeds.

Where Colossal’s Other Projects Stand

The bluebuck announcement arrives as Colossal’s broader portfolio advances. The three dire wolves born earlier this year — Romulus, Remus, and Khaleesi — have grown to more than 130 pounds and are living on a 2,000-acre private preserve in the northern United States, where, according to James, they have begun hunting prey on instinct. The company’s woolly mammoth project, which involves editing Asian elephant DNA to introduce mammoth traits, is targeting a birth by 2028.

Whether Colossal’s de-extinction animals will ever return to the wild in ecologically meaningful numbers is a question the science has not yet answered. For the bluebuck — a species that disappeared before the United States existed — the announcement at minimum marks a serious attempt to settle a debt nearly 250 years in the making.

SOURCES & LINKS

  • Source 1: Colossal Biosciences official announcement video, “We are excited to announce the de-extinction of the Bluebuck” — https://www.youtube.com/watch?v=JXTIGyO7I8M
  • Source 2: News interview with Matt James, Chief Animal Officer, Colossal Biosciences — https://www.youtube.com/watch?v=B80GaHe0aKc