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Extinct Animals Science Could Bring Back
[Image via Daniel Eskridge/Shutterstock.com]

Woolly Mammoth

  • Went Extinct: Between 1,000 to 500 B.C.
  • Closest Related Species: Asian Elephant

The Woolly Mammoth is an interesting species. It was thought to have gone extinct dating back 10,000 to 15,000 years ago, yet this was proven false. A small amount of the species landed on St. Paul Island and others ended up on Wrangel Island. They lived on St. Paul until around 5,600 years ago and on Wrangel until around 4,000 years ago. This was shocking to find out, as many assumed they died off much earlier. Meaning they lived thousands of years longer than anyone thought. Of course, everyone knows that bringing back the Wooly Mammoth would be tremendous.

Extinct Animals Science Could Bring Back
[Image via Prehistoric-earth-a-natural-history]
They look a lot like modern elephants but, of course, had hair all over. Mammoths lived alongside humans for years, just like Elephants do today. Pretty much everything about the species is similar but they differ slightly. For example, their tusks and molars would be replaced six times during a normal lifespan. Ultimately, gene editing could bring them back and bring the world something truly special.

Extinct Animals Science Could Bring Back
[Image via Daniel Eskridge/Shutterstock.com]

Saber-Toothed Tiger

  • Went Extinct: Between 9,000 to 8,000 B.C.
  • Closest Related Species: Clouded Leopard

Saber Tooth Tigers are often confused for being tigers or possibly an ancestor to modern tigers. They’re actually not related to them at all. Although they do have some relation to clouded leopards, this is only partially. It was easy for early anthropologists and scientists to assume the Saber Tooth Tiger had a connection to modern big cats. Looking at them, they had the size of a modern lion, perfectly sharp and long retractable claws, and impressive teeth. The latter of which included two longer versions that went further down and were perfect for kill shots on any prey they’d hunt down.

Extinct Animals Science Could Bring Back
[Image via Daniel Eskridge/Shutterstock.com]
They lived for millions of years and were a top apex predator during their time. They went extinct during the infamous Quaternary Extinction event. This was a period in which several large animals began to die off. It is widely assumed that this was due to environmental changes. Faunal density and diversity collapsed, causing the extinction of key ecological material. Thus causing many animals to die off. Gene editing could likely bring back the Saber Tooth Tiger, but it might not be as large as it once was in its comeback.

Extinct Animals Science Could Bring Back
[Image via Digital Storm/Shutterstock.com]


  • Went Extinct: ???
  • Closest Related Species: Likely Modern Horses

We know what you’re going to say: unicorns are only fantasy. They were never real, right? Well, technically speaking they have been mentioned in several different historical documents. Many believe, at least at one point in the past, unicorns in some form likely existed. However, most of those same people believe that they did not exist exactly as we think of them. They were rarely described as magical as some assume, and they didn’t have glitter or anything of the sort. They simply looked a lot like modern horses, just with a single bone coming out of their forehead.

Extinct Animals Science Could Bring Back
[Image via Oliver Denker/Shutterstock.com]
Of course, most would say that it is hard to buy into them even still. Where were they? Why can we not find them in fossil form? Both tough to answer, but if unicorns did exist then gene editing could help. However, you may not have to do much to get the look of what most assume unicorns look like. You could merely edit the genes of a modern horse, which could allow them to develop a horn. That can happen right now, but there is no telling if it would be something they’d pass along to their offspring.

Extinct Animals Science Could Bring Back
[Image via AmeliAU/Shutterstock.com]


  • Went Extinct: Around 65 Million Years Ago
  • Closest Related Species: Modern-Day Birds

While most of us know our history, it seems that some do not learn from it. We’ve all seen how bringing dinosaurs back could be problematic from movies like Jurassic Park. Yet bringing some back would likely be okay to do. You do not want to bring the T-Rex back due to the obviously problematic nature it could cause. However, could you bring back specific herbivore dinosaurs like the Stegosaurus, Triceratops, and Brontosaurus? It’s likely that you could without having to worry as much about the outcome. They’d likely avoid attacking humans unless otherwise threatened.

Extinct Animals Science Could Bring Back
[Image via Herschel Hoffmeyer/Shutterstock.com]
Yet people will likely have to understand that they will not be able to get as large as we know them to be. Oxygen levels were high during their time period, allowing most animals to grow incredibly large. Today, the oxygen level is far less. Therefore, they won’t get to nearly the same size. Gene editing could potentially allow them to get there one day, however. The real issue is how to bring them back. Dinosaurs were not reptiles like many think but rather, they were closely related to modern-day birds. Therefore, it might take a long time to get to the dinosaurs we know and love – but it could happen!