1. The coelacanth fish was thought to have become extinct 65 million years ago until one was found in 1938 off Africa's coast.
2. Xiao's big dream is to build a Disneyland of animals, gathering 200 simulated species that have become extinct since the Industrial Revolution.
3. Now, it is widely believed to have become extinct in the wild.
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4. Conservationists say koalas could become extinct in some areas of Australia unless the government takes action to keep their population from dying out.
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5. Virtually all aspects of diversity are in steep decline and a large number of populations and species are likely to become extinct this century.
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6. Because of the influence of globalization and China's rapidly developing economy, more and more folklore cultures become extinct in China by the moment.
7. Yet it has only taken a few decades for it to become functionally extinct.
8. But what happens when sharks one day become extinct or are illegal to catch?
9. Environment experts say if illegal hunting persists, the Tibetan antelope could become totally extinct.
10. Up until now, 83 ores have already run out or are scheduled to become extinct.