Articles sur Extinction

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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.
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 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.
Birds are disoriented by smoke and often cannot escape a fire. James Ross/AAP

A season in hell: bushfires push at least 20 threatened species closer to extinction

In a matter of weeks, the fires have subverted decades of dedicated conservation efforts for many threatened species.
If coffee and wine are things you love, then you need to pay attention to climate change. Shutterstock/Ekaterina Pokrovsky

Nine things you love that are being wrecked by climate change

People tend to pay attention when things get personal, so you need to know how climate change is damaging things in your life.
Over the coming months, koalas will depend on wildlife hospitals to recover from the effects of unprecedented bushfires. Lachlan G. Howell

To save koalas from fire, we need to start putting their genetic material on ice

Unprecedented fires are devastating koalas along Australia's east coast. These sudden drops in population put the survivors at risk of inbreeding.
The Tasmanian tiger is among the best known of our extinct species, but researchers have now revealed the extent of the crisis. TASMANIAN MUSEUM AND ART GALLERY

Scientists re-counted Australia’s extinct species, and the result is devastating

New research has revealed 100 plant and animal species have become extinct in the past two centuries – a far higher number than previously thought.
Air, water, land and wildlife are tainted with thousands of chemicals that we cannot see, smell or touch — and may not be considered a threat to wildlife. (Shutterstock)

Wildlife are exposed to more pollution than previously thought

Scientists have a new approach to understanding how pollution threatens species at risk in Canada.

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