When you think of a hedgehog, you might imagine them using their unique defense mechanism: curling into a tight, spiky ball.

The little-known species is hunted for superstitious beliefs about its medicinal use and its grassland habitat is vanishing.

Their bodies are a bit too large to lower their body temperature enough to enter hibernation, the zoologist explains. "Hedgehogs, on the other hand, do go into hibernation, and it's best for them ...

Hedgehogs have up to 5000 short, yellow-tipped spines can cover their upper body, offering protection from predators. If they're disturbed they'll roll up into a ball so their soft underside is ...