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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.
What South Africa’s West Coast might have looked like 5 million years ago. In the foreground, a giant wolverine feeds on a pig while chasing away a primitive hyena. Maggie Newman, Geological Society of South Africa and the University of the Witwatersrand

Gigantic wolverines, otters the size of wolves: fossils offer fresh insights into the past

The teeth and limb bones we studied help to understand the role and lifestyle of these species in extinct ecosystems.
Anatolian water frogs (Pelophylax spp) could become locally extinct in parts of Turkey due to over-harvesting as food. Kerim Çiçek

More people eat frog legs than you might think – and humans are harvesting frogs at unsustainable rates

Frogs are harvested as food by the millions every year. A new study shows that uncontrolled frog hunting could drive some populations to extinction by midcentury.
During coronavirus lockdowns, gardens have served as an escape from feelings of alienation. Richard Bord/Getty Images

The impulse to garden in hard times has deep roots

What drives people to garden isn’t the fear of hunger so much as hunger for physical contact – and a longing to engage in work that is real.
A passenger pigeon flock being hunted in Louisiana. From the ‘Illustrated Shooting and Dramatic News’, 1875. (Wikimedia/Smith Bennett)

Why passenger pigeons went extinct a century ago

For decades, the extinction of passenger pigeons has been explained by two theories of human impact. New research shows one of these theories is now more compelling than the other.

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