We uncovered a fascinating realm of scientific inquiry: the potential resurrection of Earth’s lost species. Advanced genomic and de‑extinction studies have brought us closer than ever to reviving creatures long vanished from our planet. Each species on our list has a unique foundation of genetic research, cloning experiments, or selective breeding efforts, showcasing innovative techniques and daring visions for the future. Join us as we explore 13 extinct animals that scientists are actively investigating for possible resurrection.
1. Woolly Mammoth

Witness the revival of an ancient icon as scientists explore the de‑extinction of the Woolly Mammoth. This majestic creature roamed the icy landscapes of the Pleistocene, its shaggy coat and curved tusks emblematic of a lost era. Genomic techniques, including CRISPR editing, are being applied to extract and reconstruct its DNA from frozen remains.
Researchers hope to blend mammoth traits with those of modern elephants, potentially restoring ecological balance in tundra habitats. Pioneering projects, such as those by Colossal Biosciences, aim to transform our understanding of evolution and conservation, heralding a new chapter in science and history for future generations.
2. Passenger Pigeon

Imagine the skies once filled with flocks of Passenger Pigeons, a species that dominated North American airways before vanishing in the early twentieth century. Scientists now analyze DNA extracted from museum specimens to revive this avian marvel. Through advanced genomic sequencing and CRISPR techniques, researchers explore ways to reintroduce lost genetic traits into surviving relatives like the Band‑Tailed Pigeon. This de‑extinction effort promises not only to restore an iconic species but also to illuminate the consequences of human impact on biodiversity. Such pioneering work may ultimately help reestablish ecological balances in environments once graced by these birds for future generations.
3. Tasmanian Tiger (Thylacine)

Envision a creature whose striped pattern and enigmatic presence continue to captivate scientists worldwide—the Tasmanian Tiger. Extinct since 1936, this marsupial predator’s complete genome has been reconstructed from preserved specimens. Innovative techniques such as gene editing offer hope to reintroduce its genetic blueprint into a living host, potentially reviving an evolutionary marvel.
Researchers pursue methods to integrate thylacine traits into related marsupials, with the goal of not only reviving a lost species but also deepening our understanding of adaptive evolution. This interdisciplinary approach merges paleogenomics with conservation biology, setting the stage for future breakthroughs in de‑extinction and ecosystem restoration remarkably.
4. Gastric-Brooding Frog

Discover an extraordinary amphibian once renowned for its bizarre reproductive strategy: the Gastric‑Brooding Frog. Endemic to Australia, this frog’s unusual ability to incubate its young in its stomach has intrigued scientists since its extinction in the early 1980s. Innovative research has extracted DNA from preserved tissues, enabling experiments that produced early‑stage embryos in surrogate frog eggs. Although these embryos did not develop to maturity, the work underscores the potential of modern cloning and gene‑editing techniques in de‑extinction research. This pioneering effort continues to inspire further studies aimed at reviving not only a remarkable species but also its unique biological phenomena.
5. Dodo

Embark on a journey into the past with the iconic Dodo, a flightless bird that once thrived on Mauritius. Although extinct since the late 17th century, recent breakthroughs in genetic analysis have enabled researchers to sequence its DNA from subfossil remains and museum specimens.
Cutting‑edge techniques, including CRISPR gene editing, offer a tantalizing prospect for reviving this emblem of extinction. The de‑extinction project aims to use its closest living relative, the Nicobar Pigeon, to reintroduce lost traits and possibly restore ecological balance. Such scientific endeavors shed light on evolutionary processes and the profound impact of human activity on biodiversity remarkably.
6. Great Auk

Venture into the history of the Great Auk, a once‑majestic seabird that graced the North Atlantic before its disappearance in the mid‑19th century. Genomic analyses from museum skins and subfossils have provided crucial insights into its biology. The recovery of its DNA marks a significant achievement in paleogenomics. Scientists believe that understanding its genetic makeup may inform conservation strategies for related species. The Great Auk stands as a symbol of both human impact and the potential of modern science to unlock secrets hidden in ancient remains for future conservation efforts.
7. Moa

Step into the ancient world of New Zealand with the Moa, a group of giant flightless birds that vanished centuries ago. Extensive ancient DNA analyses have recovered genetic material from moa bones, illuminating their evolutionary history and diversity. The genetic data provide a foundation for understanding these remarkable birds and could one day inform revival strategies. Ongoing research continues to unravel the complex biology of moa species, offering insights into island biogeography and human impacts on extinction. Their legacy serves as a cautionary tale and a beacon for scientific innovation in de‑extinction efforts.
8. Quagga

An extinct subspecies of plains zebra, Quagga, once roamed South Africa. Early genetic studies revealed that the Quagga is not a distinct species but rather a variation within zebra populations. This discovery paved the way for the selective breeding initiative known as the Quagga Project, which aims to recreate its distinctive coat pattern.
Although true de‑extinction through cloning or gene editing remains elusive, genomic research has provided valuable insights into its lineage and evolutionary history. The project highlights how understanding genetics can inform conservation efforts, bridging the gap between extinct forms and their living relatives remarkably.
9. Pyrenean Ibex (Bucardo)

Pyrenean Ibex, also known as Bucardo, which marked a historic milestone in de‑extinction attempts. This mountain goat once roamed the Pyrenees until its extinction in 2000. Scientists extracted DNA from preserved skin samples and successfully cloned an ibex in 2003, albeit with a brief lifespan. Despite its fleeting return, the Pyrenean Ibex remains a symbol of both the challenges and potential of cloning technology. Ongoing research continues to refine these techniques, aiming to overcome genetic hurdles and ensure viability. Its story illustrates the interplay between conservation, biotechnology, and the quest to reverse extinction for lost species, remarkably inspiring.
10. Heath Hen

A once‑abundant bird native to the eastern United States that vanished in 1932 was Heath Hen. DNA extracted from museum specimens has provided researchers with partial genomic data, offering a window into its biology.
Comparative studies with its relative, the prairie chicken, shed light on genetic factors underlying its decline. This research not only informs conservation strategies for related species but also emphasizes the urgent need to address human impacts on wildlife populations for long‑term ecological resilience decisively.
11. Aurochs

Wild ancestors of domestic cattle, Aurochs, once roamed Europe and Asia until their extinction in the 17th century. Ancient DNA from fossil bones has revealed their genetic diversity and evolutionary history. Innovative projects, such as the Tauros Project and Heck cattle breeding, strive to recreate an animal reminiscent of the original aurochs.
These initiatives combine selective breeding with modern genetic techniques to approximate its appearance and ecological role. Studying the aurochs enriches our understanding of domestication and highlights de‑extinction’s potential for restoring lost biodiversity and balance. This vital research paves the way for innovative conservation strategies worldwide.
12. Carolina Parakeet

Extinct since the early 20th century, Carolina Parakeet, was once the only parrot native to the eastern United States. This vibrant bird’s genetic material has been partially reconstructed from museum specimens. Scientific efforts to decode its DNA aim to understand its unique adaptations and the factors that led to its decline. The genomic data provide crucial insights into avian evolution and conservation. This research not only informs potential revival strategies but also underscores the broader impacts of habitat loss and human activity on native species, paving new paths forward.
13. Elephant Bird

Once upon a time Elephant Bird, a colossal, flightless bird dominated Madagascar’s ecosystems. Extinct for nearly a millennium, its DNA has been extracted from eggshell fragments and subfossil remains, revealing surprising genetic connections to modern kiwis. Cutting‑edge genomic research continues to unravel its evolutionary history, providing insights into the island’s past biodiversity. These genetic discoveries lay the groundwork for theoretical resurrection efforts. The Elephant Bird’s legacy captivates scientists and conservationists alike, as it symbolizes both nature’s grandeur and the enduring impact of human‑driven extinctions on isolated ecosystems profoundly inspiring.