With one look at the collection of quills on their backs, you’d think the porcupine and the hedgehog are related. However, while they’re both mammals, they have a lot of notable differences. A ...

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 ...