Il est incroyable de penser aux animaux que nous avons réussi à sauver du bord de l'extinction. Grâce aux efforts de conservation, des espèces comme le condor de Californie, le furet à pieds noirs et l'oryx d'Arabie sont toujours présentes aujourd'hui. Ces sauvetages impliquent souvent des programmes de reproduction, la restauration d'habitats et des lois protégeant les espèces en danger. C'est un effort d'équipe, impliquant scientifiques, gouvernements et personnes du quotidien qui contribuent à faire la différence. Voir ces animaux prospérer à nouveau nous donne de l'espoir et montre qu'avec dévouement, nous pouvons avoir un impact positif sur la biodiversité de notre planète. Animation créée par Sympa.
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Stock de fichiers (photos, vidéos et autres):
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https://www.eastnews.ru
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FunTranscript
00:00Each species on Earth, whether you, me or this unbearable neighbor, is destined to disappear one day, just like mammoths, hyenas and saber-toothed tigers.
00:12Statistics are not encouraging. Scientists estimate that 99% of all animal species that have ever existed are now extinct.
00:22Finally, no need to make this face. Disappearance is not the end of history.
00:30Listen to me. Mammoths could make the greatest comeback of all time and even be the key to saving humanity.
00:37Of course, they will not give us money so that we can stop working. But they could help to mitigate the climate crisis of our planet.
00:46In the Arctic tundra, there is a type of soil called permafrost. It is a permanently frozen soil.
00:53It becomes permafrost when it stays extremely cold for two consecutive years.
00:59But currently, this permafrost melts quickly. And this is bad news for everyone, because by melting, it releases a large amount of carbon into the atmosphere.
01:10But what would happen if large animals like mammoths still lived there today?
01:15They would move the soil, which would allow them to freeze more deeply in winter.
01:20Then, in summer, a grassy cover would help keep it cool and prevent it from melting.
01:27Some scientists think this is an excellent solution.
01:30And there is now a company in the United States that is trying to revive mammoths.
01:35Well, let's be honest, they will not be real mammoths, but a kind of hybrid between an elephant and 1% of mammoth DNA.
01:44A northern elephant, in short.
01:46Obtaining the DNA of a mammoth is easier than you think.
01:50They actually disappeared only 10,000 to 14,000 years ago, and scientists hope to create their first hybrid of mammoth elephants by 2027.
01:59Let's hope it doesn't turn into a real Jurassic Park.
02:06Ah, Australia. A place of nightmares and a sanctuary for the most fascinating creatures on Earth.
02:12This is where a sad fate struck Tasmania's tiger, also known as Thylacine.
02:18Don't confuse it with Tasmania's devil, which is still alive and thriving on this island.
02:24Thylacine was a marsupial predator found in Australia, south of Tasmania, as well as in New Guinea.
02:31It was a nocturnal animal that hunted other marsupials, such as kangaroos.
02:36In the 1930s, farmers began to claim that thylacines took over their livestock.
02:43With hindsight, it was probably exaggerated.
02:46But the Australians began to hunt these poor thylacines until their extinction.
02:51It would turn out that eliminating this crucial predator was not the best idea.
02:56Who would have thought?
02:58You see, thylacines played an essential role in regulating the populations of harmful animals.
03:03Once they disappeared, the Australian fauna found itself severely unbalanced.
03:0835% of the total mammal extinctions on Earth took place here.
03:13A sad world record.
03:15It may seem gloomy, but wait.
03:18We could fix it.
03:20Do you remember this company we talked about?
03:23It also plans to bring thylacine back to life.
03:26Fortunately, many embryos are still kept in burrows like repugnant cormorants.
03:31If we reintroduce them in Tasmania, it could revitalize the entire ecosystem.
03:37Would you be happy to see them return to the wild?
03:40Me yes.
03:41But what would be even better, would be that you subscribe to stay informed about these surprising facts throughout the year.
03:51We also place great hopes in smaller creatures.
03:55Here is the Mount Hotamski Resort in the state of Victoria, Australia,
03:59where you could discover the opossum of the mountains, which is incredibly cute.
04:04These little animals are very rare.
04:06We even thought they were dead, because all we had was their fossils.
04:11But one day, in 1966, a skier discovered an opossum in a pile of logs that bordered his chalet.
04:18Imagine making such a discovery during your holidays,
04:21these little opossums spend up to 7 months of the year sleeping in the snow.
04:25They wake up from time to time to nibble on their food.
04:28Then in the spring, they activate to eat even more.
04:33Find a partner and return to hibernation.
04:36Difficult not to recognize yourself, isn't it?
04:39And since they are mentioned in this video, you can guess that they are seriously threatened.
04:44There would be less than 2,000 left in the wild.
04:47This is due to the fact that their current habitat is not adapted to their needs.
04:51But let us rejoice, because we can also help them.
04:55Do you see?
04:56About 20 million years ago, the ancestors of these opossums lived in low-altitude forests.
05:01Perhaps they would behave better if we reintroduced them in such an environment?
05:05Of course, we can't just throw them in the woods hoping they will survive.
05:10Scientists are planning to gradually release them and observe how they adapt.
05:15Let's hope these adorable creatures will adapt to their new forest habitat.
05:23The Rheobatrachus frog, also nicknamed the Ornithorhynchus frog,
05:29was a unique creature of its kind.
05:32Discovered in 1972 in Queensland, Australia,
05:35its amazing reproduction practices stunned researchers.
05:41Imagine this.
05:42The frog mother swallows her eggs, transforming her stomach into a uterus.
05:46Then, she doesn't eat at all for six weeks.
05:49I could never do that.
05:51During this time, the tetrarchs hatch in her belly,
05:55begin to grow and become so large that the mother literally has to breathe through her skin.
06:00Then, she expels her little ones one by one.
06:03Burk.
06:06This extraordinary process is a remarkable evolutionary success,
06:10which explains why it so captivated researchers.
06:13Alas, this wonder must have been short-lived.
06:17Towards the middle of the 80s,
06:19all the species known to these frogs had disappeared from their habitats.
06:23Why?
06:24We have no precise idea.
06:26There are many theories, but almost no evidence to support them.
06:30In the end, these frogs were officially declared extinct.
06:35But everything changed in 2013,
06:37when scientists launched a revolutionary project called Project Lazarus.
06:42They hope to revive these frogs by experimenting with innovative cloning techniques.
06:47Are you ready to adopt their genetic conservation methods?
06:50Me neither.
06:54But let's go further, literally diving into the waters.
06:58Here is the Colacanth.
07:00This creature inhabited the oceans at the time of the dinosaurs
07:03and did not even notice the asteroid that passed through there.
07:08These fish are the sea moth.
07:11They can live up to 100 years and only start to consider reproduction from the age of 55.
07:17At least, they have a lot of time to enjoy life.
07:22We thought that this creature had disappeared about 65 million years ago.
07:27But the first specimen of the Atimeria was discovered off the South African coast in 1938.
07:33Today, they are known as living fossils.
07:37And these fish are huge.
07:40They weigh about 90 kg and are also stylized,
07:44with these lobed fins that make them look like faceted balls.
07:48They are also excellent acrobats.
07:50Thanks to its polyvalent fins, they can even swim on their backs.
07:57The Colacanth is also a cazanier.
08:00It is rather lethargic and prefers to spend its days in underwater caves,
08:04only going out at night to nibble on small fish and other squids.
08:09Another animal that looks literally like me.
08:13We are doing our best to preserve this species.
08:16And I would not be surprised if it survives us all.
08:21And finally, let's talk about the biggest and most clumsy specimen
08:25of all the birds unable to fly from New Zealand,
08:28the Takahē of the South Island.
08:32The history of the Takahē dates back to the Middle Ages.
08:35Men chased them to extinction.
08:38And at the end of the 19th century, it was thought that they had completely disappeared.
08:42But in 1948, they were rediscovered in New Zealand.
08:48These poor creatures had done their best to hide in the mountains.
08:52But we finally found them.
08:54However, things have changed.
08:56Since this rediscovery, we have put everything in place to preserve them from extinction.
09:00A program to restore the Takahē was put in place and it bore fruit.
09:05The population of these birds has increased considerably.
09:08In 2023, the Takahē population reached about 500 individuals.
09:13They are now considered vulnerable at the national level.
09:17And no longer in critical danger of extinction.
09:20It is a progress menu, but a progress all the same.
09:23Let's continue on this launch.