To protect themselves and sometimes to antimidate their enemys
By rolling into a ball.
They move by crawling.
hedgehogs curl up into a ball when threatened
The hedgehogs go and sexually reproduce when its winter and I don't know why .
Ya their .. Im not sure maybe they are just invented or real !! Like Sonic or Alfred they are hedgehogs
They curl up into a ball and either stay there or they will ram into the opponent.
The hedgehog's back is covered in sharp spines. If threatened, it will roll into a tight ball.
Hedgehogs have spines to protect themselves from predators and threats, when threatened they curl into a ball with their spines sticking out.
A: Hedgehogs are slow anamals, but sonic is the fastest Hedgehog ever. He is not real though!
Baby hedgehogs are known as piglets or pups, and are small hedgehogs that have softer quills or spikes when born, then go through different sets of quills through different ages of life to get their adult quills.
They need them to protect themselves from predators.
all the hedgehogs go into a deep sleep in winter so they store food so they don't get hungry while sleeping :)