Hedgehogs are small, spiky mammals covered in hundreds of sharp spines made of stiff keratin. That said, they are not to be confused with a porcupine or echidna, which are different species. Hedgehogs ...

Hedgehogs have smooth spines on their coat, similar to the bristles of a brush. Unlike rigid porcupine quills, which are sharp, these creatures are more approachable and not dangerous as pets. The ...