A bark scorpion in Arizona

How Does a Scorpion Decide When to Sting?

There are actually two decisions to make: whether to sting at all and whether to use prevenom or full venom.
Blue viper snake eating a frog, Indonesia

How Snakes Swallow

A snake’s ability to swallow enormous prey has long been a source of fascination, but the common explanation that they dislocate their jaws is a myth.
Eastern phoebe nest with one brown-headed cowbird egg

The Sky’s Creepiest Parasites

Are you a bird? Is your chick acting weird? You might be victim of a brood parasite.
Lou-seal being released

The Seal That Flew 1000 Miles To Get Home

Found stranded on a subtropical beach, the mystery seal finally comes home to its North Atlantic waters.
An archerfish shooting water at a bug

The Amazing Eyes of the Archerfish

The archerfish has an unusual skill: it spits water directly at its prey, knocking the bugs out of the sky. But how?
A geometrid moth caterpillar

Camouflage Gets Weird

Some animals use chemical camouflage, even altering the way they smell in order to avoid predation.
A peacock

Green Birds Aren’t Really Green

Some of the most dazzling coloration you see in birds doesn’t actually exist.
A land snail

The Hidden Extinction Crisis

The extinction crisis might be even worse than we think, because we tend to mostly pay attention to terrestrial vertebrates.
Asian small-clawed otters

Pssst. Exotic Animals Don’t Make Good Pets

They might be cute, but animals like otters are difficult to take care of. Plus, there are ecological concerns inherent in removing them from the wild.
A school of anchovies

Why Forage Fish Conservation Matters

Small fish like herring and anchovies serve an important role in the ecosystem. If passed into law, a new act would protect these forage fish.