With one look at the collection of quills on their backs, you’d think the porcupine and the hedgehog are related. However, ...

Before we start, it’s important to know the difference between the hedgehog and another prickly creature, the porcupine. “If you have seen both a porcupine and a hedgehog you will never mix ...

What they’re not Hedgehogs, porcupines, and the Australian echidna have one thing in common – they all have quills. However, they are not really related. They are an example of a kind of ...