Fabulous! How does science explain extinct animals that have reappeared?

between 200 and 2000 the animals Extinct every new year. It happens naturally, but also by human action, upsetting the balance of the Earth. Recently, science has discovered something incredible: animals that were declared extinct appeared after many years. See which ones.

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And the quest is to understand what might happen so that some can Species It is no longer considered extinct, even after many years. In the past, to ensure the extinction of an animal species, it was necessary to survive for 50 years without being notified of its appearance.

endangered species

What does it lead science Note that, in many cases, claims may have been made without proper certainty. It is very difficult to say with accuracy that there is no longer a single animal of a certain kind in nature.

Other criteria are considered to ensure the extinction of certain animals from the planet. It takes into account, for example, the number of breeding adults, geographic distribution and decline forte🇧🇷

Some animals were considered extinct, but have been found again over the years.

Watch a few of them:

coelacanthDeclared extinct more than 60 million years ago, the fish reappeared in South Africa in 1938.

Takahi: kind of New Zealand. The bird disappeared in 1898 thanks to human actions as it was hunted. Fortunately, a new colony was discovered after about 50 years.

The dwarf sailedThis species was thought to be extinct in 1920, then rediscovered by Indonesian scientists in 2008.

Omura whale: In 2003, several dead people were found. Ten years later, a group of whales of the same species was found off the coast of Madagascar.

Caspian: An American horse breeder named Louise Lillen traveled through the Caspian Mountains and identified three of these horses.

Sierra Leone crab: This species has not been seen since 1955 until A researcher I found six of them in 2021.