Hedgehogs as prey are also skittish, they can barely see as things are blurry in their eyes so they rely on hearing and smell alot. read more
When hedgehogs are born, they already have small spikes. The spikes are markedly different than those of mature specimens, however. While adult hedgehogs' quills are prickly and hard in texture, babies' quills are somewhat pliable and smooth in feel. read more
They have quills, which are modified hairs, made up of air filled chambers (kind of a honey comb on the inside). They quills have no venom and are not projectile. read more