African Crested Porcupines
Their teeth are always growing, so they collect the bones of other animals and hide them to gnaw on. Gnawing on the bones helps their teeth to not grow so long that they are uncomfortable. They also get calcium from the bones, like we get calcium from milk.
Baby porcupines are called porcupettes!
How cute is that?
Baby porcupine quills harden within an hour of birth.