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Entry 889Filed under Breeding

A Baby Mammoth Frozen for More Than 30,000 Years Was Discovered in Yukon

A near-complete baby woolly mammoth named Nun Cho Ga was found in Yukon permafrost in 2022. Here is what scientists know about her age, preservation, Beringian habitat, and Tr’ondëk Hwëch’in stewardship.
7-minute read By Animalso Team
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On June 21, 2022, miners uncovered an almost complete baby woolly mammoth in frozen ground at Eureka Creek in Yukon’s Klondike gold fields. The calf, named Nun Cho Ga by Tr’ondëk Hwëch’in Elders, still had much of its skin and hair, along with recognizable features including its trunk, ears, and tail.

On June 21, 2022, miners uncovered an almost complete baby woolly mammoth in frozen ground at Eureka Creek in Yukon’s Klondike gold fields. The calf, named Nun Cho Ga by Tr’ondëk Hwëch’in Elders, still had much of its skin and hair, along with recognizable features including its trunk, ears, and tail.

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The discovery is extraordinary scientifically, but it is also culturally important. Nun Cho Ga was found in Tr’ondëk Hwëch’in Traditional Territory, and the First Nation’s Heritage Department has an active responsibility for her care. She should be understood as more than a rare Ice Age fossil or a curiosity.

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What happened when the baby mammoth was found?

Nun Cho Ga was exposed during placer-mining work at Eureka Creek on June 21, 2022. The recovery required a rapid partnership between the mining crew, Tr’ondëk Hwëch’in, the Yukon Geological Survey, the Yukon Palaeontology Program, and the Government of Yukon.

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That quick response mattered. Frozen mammoth remains can be damaged by exposure, thawing, sunlight, and handling. The collaboration allowed the calf to be recovered and protected before the surrounding permafrost could cause further deterioration.

Why is Nun Cho Ga so unusual?

Nun Cho Ga is a woolly mammoth calf, Mammuthus primigenius, preserved as a natural mummy in permafrost. The official Yukon description identifies her as the most complete mummified mammoth found in North America and the first near-complete, best-preserved mummified woolly mammoth discovered on the continent.

Much of the animal’s outer body remains intact. Researchers could see skin and hair as well as the trunk, ears, and tail—details that are usually lost when an Ice Age animal decays and only its bones survive.

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Initial examination suggested that the calf was female and about the same size as Lyuba, an infant mammoth discovered in Siberia and estimated to be roughly 42,000 years old. Yukon and University of Calgary geologists concluded from the geological setting that Nun Cho Ga died and became frozen in permafrost more than 30,000 years ago. That is an age estimate based on the recovery context; it should not be presented as a newly reported exact radiocarbon date.

How can permafrost preserve an animal for more than 30,000 years?

Permafrost is ground that remains frozen for long periods. When an animal is rapidly buried and stays in a persistently frozen environment, the low temperatures slow the microorganisms and chemical processes that normally break down skin, hair, and other tissues.

Permafrost is not a magical time capsule that preserves every part of every animal perfectly. Preservation depends on conditions such as burial, temperature, moisture, and the amount of disturbance. In Nun Cho Ga’s case, those conditions were unusually favorable, allowing soft tissue and external anatomy to survive on a remarkable scale.

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The available discovery information supports the presence of skin, hair, and visible body features. It does not establish details such as a confirmed cause of death, preserved internal organs, stomach contents, or published DNA findings, so those claims should not be added.

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What was Yukon like when Nun Cho Ga lived?

Nun Cho Ga lived in Beringia, the northern region that connected or encompassed parts of Siberia, Alaska, and Yukon during periods when sea levels were lower. Beringia was not simply a frozen wasteland. Much of its interior was relatively dry and, during glacial periods, included largely ice-free landscapes.

The mammoth-steppe ecosystem supported grasses, herbs, and flowering plants. Woolly mammoths shared this environment with steppe bison and Yukon horses. The Ice Age animals associated with the Yukon discovery also included wild horses and cave lions.

This ecological context is important. Saying that Nun Cho Ga was found in Ice Age Yukon does not mean that all of modern Canada was uniformly covered by the same kind of ice. Beringia had its own dry, cold environment and supported large herds of grazing animals.

What does the name Nun Cho Ga mean?

Tr’ondëk Hwëch’in Elders named the calf Nun Cho Ga. The Yukon Government translates the name as “big animal baby” in the Hän language.

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The spelling and capitalization of the name matter. It connects the calf to Tr’ondëk Hwëch’in Traditional Territory, Hän language, Elders, and community responsibility. The discovery is therefore not only a scientific event; it is also part of the living heritage of the people whose Traditional Territory includes the find site.

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Why is Nun Cho Ga culturally significant?

Tr’ondëk Hwëch’in materials describe Nun Cho Ga as culturally significant and identify stewardship of her as an active Heritage Department responsibility. That framing places the First Nation—not outside collectors, commercial interests, or unrelated institutions—at the center of decisions about care, interpretation, and access.

For readers interested in animals and natural history, this means the story should be approached with respect. Nun Cho Ga is not an unowned archaeological commodity, a prop for de-extinction speculation, or simply a novelty to be collected. Any use of her name, images, cultural materials, or heritage story should follow appropriate permissions and the guidance of Tr’ondëk Hwëch’in.

Where is Nun Cho Ga now?

A Government of Yukon briefing note records that Nun Cho Ga was sent to the Canadian Conservation Institute in Ottawa for conservation treatment in 2024, with support from the Yukon Government and Tr’ondëk Hwëch’in.

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The available information does not confirm a permanent exhibition location or a current public-display schedule. It is therefore inaccurate to state that she is permanently on display in Ottawa, Dawson City, Whitehorse, or another museum without a newer official announcement. Long-term stewardship and display decisions are collaborative and guided by Tr’ondëk Hwëch’in.

How can families and animal lovers learn about woolly mammoths?

The Yukon Beringia Interpretive Centre is an especially relevant place to learn about Beringia, woolly mammoths, and other Ice Age animals. Its subject matter can help visitors understand the landscape and ecosystem in which Nun Cho Ga lived, rather than treating her as an isolated frozen animal.

At home or in a classroom, an educational woolly mammoth figurine or anatomy model can also help children visualize the size and body shape of a mammoth. Such a model should be described as a general learning aid—not a replica of Nun Cho Ga, and not evidence of her exact appearance beyond what the preserved specimen shows.

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A mammoth plush can work as a child-friendly teaching prop, but it is less scientifically useful than a model showing mammoth anatomy or scale. For accurate learning, pair any toy or figure with information about Beringia, permafrost, mammoth ecology, and Tr’ondëk Hwëch’in stewardship.

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What Nun Cho Ga can—and cannot—tell us

  • She can show us how unusually cold, stable burial conditions preserved the hair, skin, and external anatomy of a woolly mammoth calf.
  • She can help researchers study Ice Age animals and the Beringian environment in which they lived.
  • She illustrates why cooperation between miners, scientists, governments, and Indigenous communities is essential when significant remains are found.
  • She does not by herself prove a precise age, a cause of death, the preservation of particular internal organs, or an imminent plan to clone mammoths.

Nun Cho Ga is best understood as both an exceptional scientific discovery and a culturally significant heritage responsibility. Her preserved body offers an unusually direct glimpse of Ice Age Yukon, while her care belongs within the continuing relationship between Tr’ondëk Hwëch’in, their Traditional Territory, and the heritage found there.

Frequently Asked Questions

What kind of mammoth is Nun Cho Ga?

Nun Cho Ga is a woolly mammoth calf, or Mammuthus primigenius, preserved as a natural mummy in permafrost.

How old is the baby mammoth found in Yukon?

The calf is estimated to have died and frozen more than 30,000 years ago. The public discovery account presents this as a geological assessment, not as a newly reported exact radiocarbon date.

Where was Nun Cho Ga discovered?

She was discovered on June 21, 2022, during placer-mining work at Eureka Creek in the Klondike gold fields, within Tr’ondëk Hwëch’in Traditional Territory.

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What does Nun Cho Ga mean?

The name was given by Tr’ondëk Hwëch’in Elders and is translated by the Yukon Government as “big animal baby” in the Hän language.

Is Nun Cho Ga on public display?

A Yukon briefing note records that she was sent to the Canadian Conservation Institute in Ottawa for conservation treatment in 2024. A permanent public exhibition location and schedule have not been confirmed in the available information.

The Bottom Line

Nun Cho Ga is a near-complete woolly mammoth calf discovered in Yukon permafrost on June 21, 2022. She is estimated to be more than 30,000 years old and is exceptionally valuable to science, but her significance is also cultural: Tr’ondëk Hwëch’in leads her stewardship, interpretation, and future care.

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