Here's an interesting hedgehog fact for you: hedgehog spikes are actually hair stiffened by keratin! Better be easy on that new keratin shampoo that you bought.
Even if you didn't know that, we're sure you won't be surprised by this fact: hedgehogs are absolutely adorable!
To prove our point, and in celebration of Hedgehog Appreciation Day, we've put together some of the most adorable hedgehog images, ever!
Scroll down and be sure to upvote and comment on your favorite images!