When it comes to extinction, body size matters

On a certain level, extinction is all about energy. Animals move over their surroundings like pacmen, chomping up resources to fuel their survival. If they gain a certain energy threshold, they reproduce, essentially earning ...

When it comes to the threat of extinction, size matters

Animals in the Goldilocks zone—neither too big, nor too small, but just the right size—face a lower risk of extinction than do those on both ends of the scale, according to an extensive global analysis.

When estimating extinction risk, don't leave out the males

Extinction risk for some species could be drastically underestimated because most demographic models of animal populations only analyse the number and fertility of females, dismissing male data as 'noise'.

Herbivores, not predators, most at risk of extinction

One million years ago, the extinction of large-bodied plant-eaters changed the trajectory of life on Earth. The disappearance of these large herbivores reshaped plant life, altered fire regimes across Earth's landscapes, ...

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