Even if rare, there is the happy possibility of error in declaring the extinction of a species.
The process of extinction is something that occurs naturally with the evolution of some species. species. However, what happens in some situations is the influence of man in this process, which impacts the balance of the Earth. The loss of entire species in an unnatural way can cause many complications for all of us. About 200 and 2,000 animals begin the process of extinction each year. In this article we present some of these animals that escaped extinction.
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In the past, to establish and extinguish a species it took 50 years without notifying the appearance of an animal
Declaring an animal extinct is not always an easy process, as sometimes uncertain information is required. This is because to determine the end of a species, the last representative of it must be identified, and this does not always happen exactly.
Some points are considered to affirm extinction, among them: number of breeding adults, geographic distribution and habitat degradation.
Check the list of animals already cataloged
- Coelacanth – declared extinct more than 60 million years ago, this fish reappeared in South Africa in 1938.
- Takahe – Originally from New Zealand, this bird was declared extinct in 1898 due to hunting. However, 50 years later, a new colony was discovered high in the Murchison Mountains.
- pygmy tarsier – This primate was considered extinct in the 1920s. They were rediscovered by Indonesian scientists in 2008.
- Omura's Whale – Scientists first discovered in 2003 dead specimens. But a decade later, a small pod of Omura's whales was found off the coast of Madagascar.
- Somali elephant shrew – Scientists lost contact with the species in 1970. With that, they believed they were extinct. In 2019, they were sighted again in the Horn of Africa.
- The Caspian Horse – An American horse breeder named Louise Laylin traveled through the Caspian Mountain and identified three such horses.
- Saber of Santa Marta – Rare type of hummingbird that was endangered in 1946 and was only seen again in the 20th century.
- Wallace's Giant Bee – It was considered extinct until 1981. After this appearance, the species only returned to the human radar in 2019.
- sierra leone crab – It hasn't been seen since 1955, but in 2021, a researcher managed to find six of them. They migrated inland, living away from water sources, and adapted to breathing air.