Making an organism that resembles extinct species is known as de-extinction (also known as regeneration biology or species revivalism).

De-extinction can be carried out in a variety of ways. Cloning is the approach that has received the most attention, but genome editing and selective breeding have also been suggested.

Certain endangered species have been given similar therapies in the hopes of improving their populations. Cloning is the only form of the three that can result in an animal with the same genetic identity.

As many as one million animal and plant species may become extinct. The UN warns that the drastic loss in global biodiversity is a problem in and of itself and a threat to the planet's population's well-being. Furthermore, it poses a significant danger to global food stability and economic activity.

Here are a few creatures that managed to re-emerge long after declared extinct:

Coelacanth

The rediscovery of the Caspian horse is a storybook narrative that puts Black Beauty to shame. Even-tempered steeds perfect for first-time riders, the Caspian horse's rediscovery is a storybook narrative that puts Black Beauty to shame. Louise Laylin, a Virginia-born American horse breeder, moved to Iran in 1957 to marry a Persian prince and open a children's riding school in Tehran.

She set off for the rugged Caspian mountains in pursuit of the semi-mythical, thought-to-be-extinct Caspian horse after finding the local horses too skittish and boisterous. She noticed three right away and galloped back to the capital.

Caspian horses also have a global domestic distribution and stable populations in Australia, the United Kingdom, and the United States.

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