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Articles on Extinction

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Smithsonian Institution/colourised by D.S. Rovinsky

The Tasmanian tiger was hunted to extinction as a ‘large predator’ – but it was only half as heavy as we thought

The “Tasmanian tiger” was hunted to extinction based on its perceived size as a predator big enough to take sheep. But it seems this was just a tall tale, and the thylacine weighed just 16.7kg.
Red-finned blue-eye Bush Heritage Australia / Adam Kerezsy

Australia’s smallest fish among 22 at risk of extinction within two decades

Twenty of these freshwater fish species have a 50% or greater probability of extinction within the next 20 years.
The Texas frosted elfin (Callophrys irus hadros), a small butterfly subspecies found only in Arkansas, Texas, Oklahoma and Louisiana, has lost most of its prairie habitat and is thought to have dramatically declined over the last century. Matthew D. Moran

Insect apocalypse? Not so fast, at least in North America

Recent reports of dramatic declines in insect populations have sparked concern about an ‘insect apocalypse.’ But a new analysis of data from sites across North America suggests the case isn’t proven.

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